- Labor Pain - 30 Studies
- Labyrinth Diseases - 15 Studies
- Labyrinthitis - 0 Studies
- Lacerations - 25 Studies
- Lacrimal Apparatus Diseases - 16 Studies
- Lacrimal Duct Obstruction - 0 Studies
- Lactose Intolerance - 26 Studies
- Lambert-Eaton Myasthenic Syndrome - 10 Studies
- Lamellar Ichthyosis - 0 Studies
- Landau-Kleffner Syndrome - 2 Studies
- Langerhans Cell Histiocytosis - 2 Studies
- Language Development Disorders - 10 Studies
- Language Disorders - 13 Studies
- Large Granular Lymphocyte Leukemia - 2 Studies
- Laron Syndrome - 2 Studies
- Laryngeal Cancer - 24 Studies
- Laryngeal Diseases - 15 Studies
- Laryngeal Edema - 3 Studies
- Laryngeal Neoplasms - 10 Studies
- Laryngeal Papillomatosis - 3 Studies
- Laryngismus - 8 Studies
- Laryngitis - 15 Studies
- Laryngomalacia - 8 Studies
- Laryngopharyngeal Reflux - 20 Studies
- Laryngostenosis - 4 Studies
- Lassa Fever - 1 Studies
- Late Onset Disorders - 7 Studies
- Late-Onset Familial Alzheimer Disease - 0 Studies
- Latent Tuberculosis - 26 Studies
- Latex Hypersensitivity - 2 Studies
- LCAD Deficiency - 1 Studies
- LCHAD Deficiency - 2 Studies
- Lead Poisoning - 22 Studies
- Learning Disorders - 20 Studies
- Leber Congenital Amaurosis - 16 Studies
- Leber Hereditary Optic Neuropathy - 19 Studies
- Lecithin Acyltransferase Deficiency - 1 Studies
- Left Ventricular Noncompaction - 3 Studies
- Leg Injuries - 13 Studies
- Leg Length Inequality - 8 Studies
- Leg Ulcer - 25 Studies
- Legg-Calve-Perthes Disease - 8 Studies
- Legionellosis - 5 Studies
- Legionnaires' Disease - 0 Studies
- Leigh Disease - 5 Studies
- Leigh Syndrome - 0 Studies
- Leiomyoma - 25 Studies
- Leiomyomatosis - 0 Studies
- Leiomyosarcoma - 28 Studies
- Leishmaniasis - 26 Studies
- Leishmaniasis, Cutaneous - 18 Studies
- Leishmaniasis, Mucocutaneous - 7 Studies
- Leishmaniasis, Visceral - 19 Studies
- Lennox Gastaut Syndrome - 19 Studies
- Lens Diseases - 22 Studies
- Lens Subluxation - 3 Studies
- Lentigo - 11 Studies
- Lentigo Maligna Melanoma - 0 Studies
- Leprosy - 0 Studies
- Leprosy, Lepromatous - 0 Studies
- Leprosy, Multibacillary - 0 Studies
- Leptospirosis - 5 Studies
- Leriche Syndrome - 3 Studies
- Lesch-Nyhan Syndrome - 4 Studies
- Lethargy - 3 Studies
- Leukemia, Basophilic, Acute - 0 Studies
- Leukemia, Biphenotypic, Acute - 2 Studies
- Leukemia, Eosinophilic, Acute - 0 Studies
- Leukemia, Erythroblastic, Acute - 2 Studies
- Leukemia, Hairy Cell - 1 Studies
- Leukemia, Large Granular Lymphocytic - 1 Studies
- Leukemia, Mast-Cell - 13 Studies
- Leukemia, Megakaryoblastic, Acute - 0 Studies
- Leukemia, Monocytic, Acute - 1 Studies
- Leukemia, Myeloid, Accelerated Phase - 12 Studies
- Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative - 4 Studies
- Leukemia, Myeloid, Chronic-Phase - 25 Studies
- Leukemia, Myelomonocytic, Acute - 3 Studies
- Leukemia, Myelomonocytic, Chronic - 0 Studies
- Leukemia, Myelomonocytic, Juvenile - 0 Studies
- Leukemia, Neutrophilic, Chronic - 0 Studies
- Leukemia, Plasma Cell - 19 Studies
- Leukemia, Prolymphocytic - 21 Studies
- Leukemia, Prolymphocytic, B-Cell - 0 Studies
- Leukemia, Prolymphocytic, T-Cell - 2 Studies
- Leukemia, Promyelocytic, Acute - 5 Studies
- Leukemia, T-Cell - 4 Studies
- Leukemia, T-cell, Chronic - 0 Studies
- Leukemia-Lymphoma, Adult T-Cell - 0 Studies
- Leukemoid Reaction - 0 Studies
- Leukoaraiosis - 3 Studies
- Leukocyte Adhesion Deficiency Type 1 - 1 Studies
- Leukocyte Disorders - 9 Studies
- Leukocyte-Adhesion Deficiency Syndrome - 2 Studies
- Leukocytosis - 12 Studies
- Leukodystrophy - 7 Studies
- Leukodystrophy, Globoid Cell - 0 Studies
- Leukodystrophy, Metachromatic - 1 Studies
- Leukoencephalopathies - 17 Studies
- Leukoencephalopathy, Progressive Multifocal - 2 Studies
- Leukomalacia - 5 Studies
- Leukomalacia, Periventricular - 0 Studies
- Leukopenia - 11 Studies
- Leukoplakia - 19 Studies
- Leukoplakia, Oral - 1 Studies
- Levator Syndrome - 0 Studies
- Lewy Body Disease - 23 Studies
- Leydig Cell Tumor - 2 Studies
- Li-Fraumeni Syndrome - 20 Studies
- Lice Infestations - 24 Studies
- Lichen Planopilaris - 2 Studies
- Lichen Planus - 27 Studies
- Lichen Planus, Oral - 10 Studies
- Lichen Sclerosus - 14 Studies
- Lichen Sclerosus et Atrophicus - 0 Studies
- Light Chain Deposition Disease - 4 Studies
- Limb Deformities, Congenital - 2 Studies
- Limb-girdle Muscular Dystrophy - 17 Studies
- Limb-girdle Muscular Dystrophy Type 2A - 1 Studies
- Limb-girdle Muscular Dystrophy Type 2I - 0 Studies
- Limb-girdle Muscular Dystrophy, Type 2B - 0 Studies
- Limb-girdle Muscular Dystrophy, Type 2D - 0 Studies
- Limbic Encephalitis - 2 Studies
- Limited Cutaneous Systemic Sclerosis - 1 Studies
- Limited Systemic Sclerosis - 0 Studies
- Linear IgA Bullous Dermatosis - 1 Studies
- Linear IgA Disease - 0 Studies
- Linear Nevus Sebaceous Syndrome - 0 Studies
- Linear Scleroderma - 2 Studies
- Lip and Oral Cavity Cancer - 7 Studies
- Lip Neoplasms - 21 Studies
- Lipedema - 9 Studies
- Lipid Metabolism, Inborn Errors - 15 Studies
- Lipidoses - 6 Studies
- Lipodystrophy - 12 Studies
- Lipodystrophy, Congenital Generalized - 1 Studies
- Lipodystrophy, Familial Partial - 0 Studies
- Lipogranulomatosis - 0 Studies
- Lipoma - 7 Studies
- Lipomatosis - 1 Studies
- Liposarcoma - 19 Studies
- Liposarcoma, Myxoid - 3 Studies
- Listeria Infection - 1 Studies
- Listeriosis - 0 Studies
- Lithiasis - 5 Studies
- Liver Abscess - 0 Studies
- Liver Abscess, Amebic - 0 Studies
- Liver Abscess, Pyogenic - 0 Studies
- Liver Cirrhosis, Alcoholic - 19 Studies
- Liver Cirrhosis, Biliary - 25 Studies
- Liver Cirrhosis, Experimental - 2 Studies
- Liver Diseases, Alcoholic - 15 Studies
- Liver Failure - 20 Studies
- Liver Failure, Acute - 17 Studies
- Localized Scleroderma - 18 Studies
- Locked-in Syndrome - 4 Studies
- Loeys-Dietz Syndrome - 0 Studies
- Logopenic Progressive Aphasia - 3 Studies
- Loiasis - 1 Studies
- Long QT Syndrome - 32 Studies
- Long QT Syndrome 3 - 1 Studies
- Long Term Adverse Effects - 6 Studies
- Lordosis - 8 Studies
- Low Tension Glaucoma - 25 Studies
- Lowe Oculocerebrorenal Syndrome - 0 Studies
- Lower Extremity Deformities, Congenital - 0 Studies
- Lung Abscess - 0 Studies
- Lung Adenocarcinoma - 25 Studies
- Lung Diseases, Fungal - 18 Studies
- Lung Diseases, Interstitial - 30 Studies
- Lung Injury - 4 Studies
- Lupus Erythematosus, Cutaneous - 0 Studies
- Lupus Erythematosus, Discoid - 16 Studies
- Lupus Erythematosus, Systemic - 30 Studies
- Lupus Nephritis - 31 Studies
- Lupus Vasculitis, Central Nervous System - 5 Studies
- Lyme Disease - 5 Studies
- Lyme Neuroborreliosis - 1 Studies
- Lymph Node Neoplasm - 5 Studies
- Lymphadenitis - 3 Studies
- Lymphangiectasis - 2 Studies
- Lymphangioleiomyomatosis - 19 Studies
- Lymphangioma - 7 Studies
- Lymphangiomatosis - 0 Studies
- Lymphangiomyoma - 3 Studies
- Lymphatic Abnormalities - 0 Studies
- Lymphatic Filariasis - 0 Studies
- Lymphatic Malformations - 1 Studies
- Lymphatic Metastasis - 9 Studies
- Lymphedema - 34 Studies
- Lymphoblastic Lymphoma - 24 Studies
- Lymphocele - 17 Studies
- Lymphocytosis - 1 Studies
- Lymphohistiocytosis, Hemophagocytic - 1 Studies
- Lymphoma AIDS Related - 22 Studies
- Lymphoma, AIDS-Related - 4 Studies
- Lymphoma, B-Cell, Marginal Zone - 24 Studies
- Lymphoma, Extranodal NK-T-Cell - 15 Studies
- Lymphoma, Large-cell - 3 Studies
- Lymphoma, Large-Cell, Anaplastic - 3 Studies
- Lymphoma, Large-Cell, Immunoblastic - 10 Studies
- Lymphoma, Mantle-Cell - 25 Studies
- Lymphoma, Primary Cutaneous Anaplastic Large Cell - 4 Studies
- Lymphoma, Primary Effusion - 7 Studies
- Lymphoma, T-Cell - 24 Studies
- Lymphoma, T-Cell, Cutaneous - 3 Studies
- Lymphoma, T-Cell, Peripheral - 15 Studies
- Lymphomatoid Granulomatosis - 10 Studies
- Lymphomatoid Papulosis - 2 Studies
- Lymphomatous Thyroiditis - 1 Studies
- Lymphopenia - 20 Studies
- Lysosomal Acid Lipase Deficiency - 0 Studies
- Lysosomal Storage Diseases - 12 Studies
- Lysosomal Storage Diseases, Nervous System - 15 Studies
