- Pachyonychia Congenita - 0 Studies
- Paget Disease of the Breast - 5 Studies
- Paget Disease, Extramammary - 3 Studies
- Paget's Disease, Mammary - 0 Studies
- Pain Insensitivity, Congenital - 2 Studies
- Pain, Intractable - 26 Studies
- Pain, Referred - 8 Studies
- Palatopharyngeal Incompetence - 1 Studies
- Palmoplantar Keratoderma - 0 Studies
- Pancoast Syndrome - 3 Studies
- Pancreatic Adenoma - 2 Studies
- Pancreatic Cyst - 17 Studies
- Pancreatic Fistula - 11 Studies
- Pancreatic Islet Cell Tumors - 3 Studies
- Pancreatic Neuroendocrine Tumor - 7 Studies
- Pancreatic Pseudocyst - 13 Studies
- Pancreatitis - 27 Studies
- Pancreatitis, Acute Necrotizing - 15 Studies
- Pancreatitis, Alcoholic - 7 Studies
- Pancreatitis, Chronic - 21 Studies
- Pancytopenia - 16 Studies
- PANDAS - 14 Studies
- Panic Disorder - 26 Studies
- Panniculitis - 3 Studies
- Pantothenate Kinase-Associated Neurodegeneration - 0 Studies
- Panuveitis - 12 Studies
- Papillary Renal Cell Carcinoma - 5 Studies
- Papillary Thyroid Carcinoma - 19 Studies
- Papilledema - 10 Studies
- Papilloma - 23 Studies
- Papilloma, Intraductal - 0 Studies
- Papilloma, Inverted - 1 Studies
- Papillomavirus Infections - 25 Studies
- Paraganglioma - 3 Studies
- Paraganglioma, Extra-Adrenal - 2 Studies
- Paragangliomas 1 - 0 Studies
- Parainfluenza Virus Type 3 - 9 Studies
- Paralysis, Hyperkalemic Periodic - 0 Studies
- Paramyotonia Congenita - 0 Studies
- Paramyxoviridae Infections - 16 Studies
- Paranasal Sinus Diseases - 21 Studies
- Paranasal Sinus Neoplasms - 3 Studies
- Paraneoplastic Syndromes - 7 Studies
- Paraneoplastic Syndromes, Nervous System - 0 Studies
- Paranoid Disorders - 14 Studies
- Paraparesis - 3 Studies
- Paraparesis, Spastic - 0 Studies
- Paraparesis, Tropical Spastic - 0 Studies
- Paraphilic Disorders - 6 Studies
- Paraplegia - 18 Studies
- Parapsoriasis - 5 Studies
- Parasitemia - 21 Studies
- Parathyroid Carcinoma - 6 Studies
- Parathyroid Diseases - 18 Studies
- Parathyroid Neoplasms - 11 Studies
- Paratuberculosis - 3 Studies
- Paratyphoid Fever - 7 Studies
- Parental Death - 2 Studies
- Paresis - 16 Studies
- Paresthesia - 19 Studies
- Parkes Weber Syndrome - 0 Studies
- Parkinson Disease, Secondary - 4 Studies
- Parotid Diseases - 8 Studies
- Parotid Neoplasms - 2 Studies
- Parotitis - 2 Studies
- Paroxysmal Nocturnal Hemoglobinuria - 13 Studies
- Paroxysmal Ventricular Fibrillation - 24 Studies
- Pars Planitis - 5 Studies
- Partial Deletion of Y - 0 Studies
- Parvoviridae Infections - 5 Studies
- PASLI Disease - 2 Studies
- Patellar Dislocation - 8 Studies
- Patellofemoral Pain Syndrome - 32 Studies
- Patent Ductus Arteriosus - 10 Studies
- Peanut Hypersensitivity - 25 Studies
- Pearson Syndrome - 0 Studies
- Pectus Carinatum - 2 Studies
- Pediatric Acute-onset Neuropsychiatric Syndrome - 1 Studies
- Pediatric Crohn's Disease - 24 Studies
- Pediatric Hypertension - 15 Studies
- Pediatric Multiple Sclerosis - 10 Studies
- Pediatric Obesity - 33 Studies
- Pediatric Ulcerative Colitis - 12 Studies
- Pedophilia - 1 Studies
- Pelizaeus-Merzbacher Disease - 0 Studies
- Pellucid Marginal Degeneration - 5 Studies
- Pelvic Floor Disorders - 30 Studies
- Pelvic Girdle Pain - 11 Studies
- Pelvic Infection - 16 Studies
- Pelvic Inflammatory Disease - 1 Studies
- Pelvic Neoplasms - 19 Studies
- Pelvic Organ Prolapse - 42 Studies
- Pelvic Pain - 30 Studies
- Pemphigoid, Benign Mucous Membrane - 0 Studies
- Pemphigoid, Bullous - 0 Studies
- Pemphigus - 25 Studies
- Pemphigus Foliaceus - 0 Studies
- Pemphigus Vulgaris - 0 Studies
- Pemphigus, Benign Familial - 0 Studies
- Penile Cancer, Adult - 14 Studies
- Penile Induration - 11 Studies
- Penile Neoplasms - 9 Studies
- Pentalogy of Cantrell - 0 Studies
- Peptic Ulcer - 22 Studies
- Peptic Ulcer Hemorrhage - 13 Studies
- Peptic Ulcer Perforation - 1 Studies
- Perceptual Disorders - 18 Studies
- Peri-Implantitis - 29 Studies
- Periapical Abscess - 0 Studies
- Periapical Diseases - 19 Studies
- Periapical Periodontitis - 5 Studies
- Periarthritis - 24 Studies
- Pericardial Effusion - 15 Studies
- Pericarditis - 14 Studies
- Pericarditis, Constrictive - 0 Studies
- Pericoronitis - 2 Studies
- Perinatal Death - 13 Studies
- Periodontal Atrophy - 20 Studies
- Periodontal Attachment Loss - 4 Studies
- Periodontal Diseases - 19 Studies
- Periodontal Pocket - 23 Studies
- Periodontitis - 44 Studies
- Peripartum Cardiomyopathy - 3 Studies
- Peripheral Nerve Injuries - 25 Studies
- Peripheral Nervous System Neoplasms - 2 Studies
- Peripheral T-cell Lymphoma - 9 Studies
- Periprosthetic Fractures - 6 Studies
- Peritoneal Diseases - 24 Studies
- Peritoneal Fibrosis - 6 Studies
- Peritoneal Neoplasms - 0 Studies
- Peritonitis - 25 Studies
- Peritonitis, Tuberculous - 1 Studies
- Peritonsillar Abscess - 0 Studies
- Perivascular Epithelioid Cell Neoplasms - 1 Studies
- Periventricular Leukomalacia - 0 Studies
- Perlman Syndrome - 21 Studies
- Permanent Neonatal Diabetes Mellitus - 2 Studies
- Peroneal Neuropathies - 4 Studies
- Peroxisomal Biogenesis Disorders - 3 Studies
- Peroxisomal Disorders - 0 Studies
- Peroxisome Biogenesis disorder-Zellweger Syndrome Spectrum - 1 Studies
- Persian Gulf Syndrome - 18 Studies
- Persistent Fetal Circulation Syndrome - 20 Studies
- Persistent Truncus Arteriosus - 1 Studies
- Persistent Vegetative State - 18 Studies
- Personality Disorders - 5 Studies
- Peters Anomaly - 0 Studies
- Peutz-Jeghers Syndrome - 3 Studies
- Pfeiffer Syndrome - 0 Studies
- PHACE Syndrome - 1 Studies
- Phantom Limb - 24 Studies
- Pharyngeal Diseases - 24 Studies
- Pharyngeal Neoplasms - 6 Studies
- Pharyngitis - 17 Studies
- Phenylketonurias - 25 Studies
- Pheochromocytoma - 13 Studies
- Philadelphia Chromosome - 21 Studies
- Phimosis - 4 Studies
- Phlebitis - 24 Studies
- Phobic Disorders - 24 Studies
- Phosphoglycerate Kinase Deficiency - 1 Studies
- Phosphorus Metabolism Disorders - 14 Studies
- Photophobia - 7 Studies
- Photosensitive Epilepsy - 3 Studies
- Photosensitivity Disorders - 12 Studies
- Phyllodes Tumor - 2 Studies
- Phyllodes Tumor of the Breast - 1 Studies
- Pick Disease of the Brain - 0 Studies
- Pick's Disease - 0 Studies
- Piebaldism - 0 Studies
- Pierre Robin Sequence - 1 Studies
- Pierre Robin Syndrome - 0 Studies
- Pigment-dispersion Syndrome - 10 Studies
- Pigmentation Disorders - 11 Studies
- Pigmented Villonodular Synovitis - 1 Studies
- Pilocytic Astrocytoma - 4 Studies
- Pilomatrixoma - 0 Studies
- Pilonidal Sinus - 24 Studies
- Pinealoma - 6 Studies
- Pineoblastoma - 0 Studies
- Pineoblastoma, Childhood - 1 Studies
- Pineocytoma - 0 Studies
- Pituitary ACTH Hypersecretion - 0 Studies
- Pituitary Cancer - 0 Studies
- Pituitary Diseases - 12 Studies
- Pituitary Neoplasms - 3 Studies
- Pityriasis - 0 Studies
- Placenta Accreta - 24 Studies
- Placenta Diseases - 15 Studies
- Placenta Disorder - 0 Studies
- Placenta Previa - 15 Studies
- Placenta, Retained - 2 Studies
- Placental Insufficiency - 5 Studies
- Plagiocephaly - 0 Studies
- Plagiocephaly, Nonsynostotic - 1 Studies
- Plague - 12 Studies
- Plaque, Amyloid - 18 Studies
- Plaque, Atherosclerotic - 23 Studies
- Plasma Cell Leukemia - 2 Studies
- Plasmablastic Lymphoma - 0 Studies
- Plasmacytoma - 14 Studies
- Platelet Storage Pool Deficiency - 0 Studies
- Platybasia - 2 Studies
- Pleomorphic Xanthoastrocytoma - 0 Studies
- Pleural Diseases - 23 Studies
- Pleural Effusion - 26 Studies
- Pleural Effusion, Malignant - 15 Studies
- Pleural Neoplasms - 7 Studies
- Pleurisy - 8 Studies
- Pleuropneumonia - 0 Studies
- Pleuropulmonary Blastoma - 0 Studies
- Pneumococcal Infections - 25 Studies
- Pneumoconiosis - 0 Studies
- Pneumocystis Infections - 7 Studies
- Pneumocystosis - 6 Studies
- Pneumonia, Aspiration - 22 Studies
- Pneumonia, Bacterial - 26 Studies
- Pneumonia, Eosinophilic - 2 Studies
- Pneumonia, Mycoplasma - 0 Studies
- Pneumonia, Pneumococcal - 20 Studies
- Pneumonia, Pneumocystis - 2 Studies
- Pneumonia, Staphylococcal - 6 Studies
- Pneumonia, Ventilator-Associated - 25 Studies
- Pneumonia, Viral - 7 Studies
- Pneumoperitoneum - 8 Studies
- Pneumothorax - 24 Studies
- POEMS Syndrome - 0 Studies
- Poisoning - 6 Studies
- Poliomyelitis - 25 Studies
- Polyarteritis Nodosa - 1 Studies
- Polyarticular Onset Juvenile Idiopathic Arthritis - 2 Studies
- Polychondritis, Relapsing - 4 Studies
- Polycystic Kidney Diseases - 18 Studies
- Polycystic Kidney, Autosomal Dominant - 9 Studies
- Polycystic Kidney, Autosomal Recessive - 0 Studies
- Polycystic Liver Disease - 8 Studies
- Polycystic Ovary Syndrome - 49 Studies
- Polycythemia - 24 Studies
- Polycythemia Vera - 5 Studies
- Polydactyly - 0 Studies
- Polydipsia - 2 Studies
- Polydipsia, Psychogenic - 0 Studies
- Polyembryoma - 0 Studies
- Polyendocrinopathies, Autoimmune - 0 Studies
- Polyhydramnios - 2 Studies
- Polymicrogyria - 0 Studies
- Polymorphic Reticulosis - 1 Studies
- Polymyalgia Rheumatica - 14 Studies
- Polymyositis - 10 Studies
- Polyneuropathies - 19 Studies
- Polyomavirus Allograft Nephropathy - 2 Studies
- Polyomavirus Infections - 2 Studies
- Polyps - 7 Studies
- Polyradiculoneuropathy - 8 Studies
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating - 0 Studies
- Polyradiculopathy - 1 Studies
- Polyuria - 14 Studies
- Porphyria Cutanea Tarda - 0 Studies
- Porphyria, Acute Intermittent - 0 Studies
- Porphyria, Erythropoietic - 0 Studies
- Porphyria, Variegate - 0 Studies
- Porphyrias - 0 Studies
- Porphyrias, Hepatic - 0 Studies
- Port-Wine Stain - 6 Studies
- Positive-Pressure Respiration, Intrinsic - 7 Studies
- Post Polio Syndrome - 15 Studies
- Post-Concussion Syndrome - 27 Studies
- Post-Dural Puncture Headache - 23 Studies
- Post-Exercise Hypotension - 9 Studies
- Post-transplant Lymphoproliferative Disease - 10 Studies
- Post-traumatic Epilepsy - 0 Studies
- Post-Traumatic Headache - 24 Studies
- Postcholecystectomy Syndrome - 3 Studies
- Posterior Leukoencephalopathy Syndrome - 0 Studies
- Posterior Tibial Tendon Dysfunction - 1 Studies
- Posterior Urethral Valves - 5 Studies
- Posterior Uveitis - 5 Studies
- Postoperative Hemorrhage - 27 Studies
- Postoperative Nausea and Vomiting - 29 Studies
- Postpartum Hemorrhage - 30 Studies
- Postpartum Thyroiditis - 1 Studies
- Postpericardiotomy Syndrome - 1 Studies
- Postphlebitic Syndrome - 22 Studies
- Postpoliomyelitis Syndrome - 0 Studies
- Postthrombotic Syndrome - 1 Studies
- Postural Orthostatic Tachycardia Syndrome - 23 Studies
- Potassium Aggravated Myotonia - 0 Studies
- Potassium Deficiency - 0 Studies
- Potter Syndrome - 0 Studies
- Pouchitis - 0 Studies
- Poxviridae Infections - 23 Studies
- Prader-Willi Syndrome - 6 Studies
- Pre-Eclampsia - 30 Studies
- Pre-Excitation Syndromes - 2 Studies
- Precocious Puberty - 23 Studies
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma - 8 Studies
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma - 14 Studies
- Prediabetic State - 26 Studies
- Pregnancy Complications, Cardiovascular - 1 Studies
- Pregnancy Complications, Infectious - 16 Studies
- Pregnancy Complications, Neoplastic - 2 Studies
- Pregnancy in Diabetics - 22 Studies
- Pregnancy, Abdominal - 2 Studies
- Pregnancy, Ectopic - 0 Studies
- Pregnancy, Ovarian - 2 Studies
- Pregnancy, Prolonged - 16 Studies
- Pregnancy, Tubal - 1 Studies
- Prehypertension - 25 Studies
- Premature Ejaculation - 25 Studies
- Premenstrual Dysphoric Disorder - 20 Studies
- Premenstrual Syndrome - 30 Studies
- Prenatal Exposure Delayed Effects - 1 Studies
- Presbycusis - 14 Studies
- Presbyopia - 33 Studies
- Pressure Ulcer - 30 Studies
- Priapism - 6 Studies
- Primary Agammaglobulinemia - 4 Studies
- Primary Biliary Cholangitis - 14 Studies
- Primary Carnitine Deficiency - 5 Studies
- Primary Central Nervous System Lymphoma - 26 Studies
- Primary Ciliary Dyskinesia - 7 Studies
- Primary Cutaneous Amyloidosis - 0 Studies
- Primary Dysautonomias - 2 Studies
- Primary Effusion Lymphoma - 0 Studies
- Primary Fanconi Syndrome - 0 Studies
- Primary Graft Dysfunction - 15 Studies
- Primary Hyperoxaluria Type 1 - 1 Studies
- Primary Hyperparathyroidism - 3 Studies
- Primary Lateral Sclerosis - 8 Studies
- Primary Liver Cancer - 25 Studies
- Primary Myelofibrosis - 13 Studies
- Primary Orthostatic Hypotension - 8 Studies
- Primary Orthostatic Tremor - 2 Studies
- Primary Ovarian Insufficiency - 4 Studies
- Primary Pigmented Nodular Adrenocortical Disease - 0 Studies
- Primary Progressive Aphasia - 4 Studies
- Primary Progressive Nonfluent Aphasia - 0 Studies
- Primary Sclerosing Cholangitis - 14 Studies
- Primary Spontaneous Pneumothorax - 8 Studies
- Prinzmetal's Variant Angina - 0 Studies
- Prion Diseases - 1 Studies
- Problem Behavior - 28 Studies
- Proctitis - 17 Studies
- Proctocolitis - 1 Studies
- Prodromal Symptoms - 5 Studies
- Progeria - 5 Studies
- Prognathism - 0 Studies
- Progressive Familial Intrahepatic Cholestasis 1 - 1 Studies
- Progressive Hemifacial Atrophy - 0 Studies
- Progressive Multifocal Leukoencephalopathy - 1 Studies
- Progressive Myoclonic Epilepsy - 0 Studies
- Progressive Non-fluent Aphasia - 0 Studies
- Progressive Supranuclear Palsy - 20 Studies
- Prolactinoma - 7 Studies
- Prolapse - 18 Studies
- Proopiomelanocortin Deficiency - 1 Studies
- Propionic Acidemia - 1 Studies
- Prostatic Hyperplasia - 12 Studies
- Prostatic Intraepithelial Neoplasia - 12 Studies
- Prostatic Neoplasms, Castration-Resistant - 22 Studies
- Prostatism - 3 Studies
- Prostatitis - 22 Studies
- Prosthesis Failure - 13 Studies
- Prosthesis-Related Infections - 19 Studies
- Prosthetic Joint Infection - 11 Studies
- Protein C Deficiency - 3 Studies
- Protein Deficiency - 9 Studies
- Protein-Energy Malnutrition - 7 Studies
- Protein-Losing Enteropathies - 2 Studies
- Proteinuria - 22 Studies
- Proteus Infections - 6 Studies
- Proteus Syndrome - 0 Studies
- Protoporphyria - 0 Studies
- Protoporphyria, Erythropoietic - 0 Studies
- Prune Belly Syndrome - 0 Studies
- Prurigo - 3 Studies
- Prurigo Nodularis - 3 Studies
- Pruritus - 30 Studies
- Pseudarthrosis - 15 Studies
- Pseudohypoaldosteronism - 2 Studies
- Pseudohypoparathyroidism - 1 Studies
- Pseudohypoparathyroidism Type 1A - 0 Studies
- Pseudomonas Infections - 25 Studies
- Pseudomyotonia - 0 Studies
- Pseudomyxoma Peritonei - 0 Studies
- Pseudopelade of Brocq - 1 Studies
- Pseudophakia - 16 Studies
- Pseudopseudohypoparathyroidism - 0 Studies
- Pseudotumor Cerebri - 5 Studies
- Pseudoxanthoma Elasticum - 7 Studies
- Psoriatic Juvenile Idiopathic Arthritis - 1 Studies
- Psychological Trauma - 13 Studies
- Psychomotor Agitation - 24 Studies
- Psychomotor Disorders - 13 Studies
- Psychophysiologic Disorders - 8 Studies
- Psychoses, Substance-Induced - 1 Studies
- PTEN Hamartoma Tumor Syndrome - 0 Studies
- Pterygium - 17 Studies
- Puberty, Delayed - 7 Studies
- Puberty, Precocious - 4 Studies
- Pudendal Neuralgia - 4 Studies
- Puerperal Disorders - 15 Studies
- Puerperal Infection - 1 Studies
- Pulmonary Alveolar Proteinosis - 12 Studies
- Pulmonary Arterial Hypertension - 53 Studies
- Pulmonary Arteriovenous Malformation - 4 Studies
- Pulmonary Aspergillosis - 1 Studies
- Pulmonary Atelectasis - 25 Studies
- Pulmonary Atresia - 3 Studies
- Pulmonary Blastoma - 4 Studies
- Pulmonary Edema - 23 Studies
- Pulmonary Edema of Mountaineers - 9 Studies
- Pulmonary Embolism - 45 Studies
- Pulmonary Emphysema - 13 Studies
- Pulmonary Eosinophilia - 20 Studies
- Pulmonary Fibrosis - 18 Studies
- Pulmonary Heart Disease - 25 Studies
- Pulmonary Valve Insufficiency - 24 Studies
- Pulmonary Valve Stenosis - 11 Studies
- Pulmonary Vein Stenosis - 5 Studies
- Pulmonary Veno-Occlusive Disease - 0 Studies
- Pulmonic Stenosis - 0 Studies
- Pulpitis - 21 Studies
- Pupil Disorders - 2 Studies
- Pure Autonomic Failure - 20 Studies
- Pure Red Cell Aplasia - 11 Studies
- Purine-Pyrimidine Metabolism, Inborn Errors - 15 Studies
- Purpura - 14 Studies
- Purpura, Schoenlein-Henoch - 0 Studies
- Purpura, Thrombocytopenic - 10 Studies
- Purpura, Thrombocytopenic, Idiopathic - 5 Studies
- Purpura, Thrombotic Thrombocytopenic - 18 Studies
- Pustular Psoriasis - 1 Studies
- Pustulosis Palmaris Et Plantaris - 0 Studies
- Pyelonephritis - 8 Studies
- Pyloric Stenosis - 0 Studies
- Pyloric Stenosis, Hypertrophic - 0 Studies
- Pyoderma - 14 Studies
- Pyoderma Gangrenosum - 4 Studies
- Pyridoxine Deficiency - 2 Studies
- Pyruvate Decarboxylase Deficiency - 0 Studies
- Pyruvate Dehydrogenase Complex Deficiency Disease - 0 Studies
- Pyruvate Dehydrogenase Deficiency - 0 Studies
- Pyruvate Kinase Deficiency - 1 Studies
- Pyruvate Metabolism, Inborn Errors - 0 Studies
- Pyuria - 3 Studies
