Pachyonychia Congenita   1 study
Paget disease   20 studies
Paget's Disease, Extramammary   1 study
Pain   2893 studies
Pain, Intractable   19 studies
Pain, Postoperative   275 studies
Pallister-Hall syndrome   1 study
Palmoplantar Keratoderma   1 study
Palmoplantar keratoderma, epidermolytic   1 study
Pancoast's Syndrome   3 studies
Pancreatic Cyst   7 studies
Pancreatic Diseases   947 studies
Pancreatic Fistula   3 studies
Pancreatic islet cell tumors   39 studies
Pancreatic Neoplasms   646 studies
Pancreatic Pseudocyst   3 studies
Pancreatitis   78 studies
Pancreatitis, Acute Necrotizing   4 studies
Pancreatitis, Alcoholic   3 studies
Pancreatitis, Chronic   38 studies
Pancytopenia   33 studies
Panhypopituitarism   3 studies
Panic Disorder   82 studies
Panuveitis   38 studies
Papillary renal cell carcinoma   16 studies
Papilledema   3 studies
Papillitis   15 studies
Papilloma   101 studies
Papillomavirus Infections   86 studies
Paraganglioma   21 studies
Parainfluenza virus type 3   5 studies
Paralyses, Familial Periodic   3 studies
Paralysis   213 studies
Paralysis, Hyperkalemic Periodic   1 study
Paramyotonia congenita   2 studies
Paramyxoviridae Infections   67 studies
Paranasal Sinus Neoplasms   3 studies
Paraneoplastic Syndromes   25 studies
Paraneoplastic Syndromes, Nervous System   14 studies
Paranoid Disorders   4 studies
Paraparesis   12 studies
Paraparesis, Spastic   9 studies
Paraparesis, Tropical Spastic   10 studies
Paraphilias   3 studies
Paraplegia   18 studies
Paraproteinemias   882 studies
Parapsoriasis   2 studies
Parasitemia   5 studies
Parasitic Diseases   520 studies
Parathyroid Diseases   108 studies
Parathyroid Neoplasms   8 studies
Paratuberculosis   1 study
Paratyphoid Fever   5 studies
Paresis   32 studies
Paresthesia   11 studies
Parkes Weber syndrome   2 studies
Parkinson Disease   472 studies
Parkinson Disease, Secondary   1 study
Parkinsonian Disorders   473 studies
Parotid Neoplasms   1 study
Paroxysmal nocturnal hemoglobinuria   21 studies
Paroxysmal ventricular fibrillation   63 studies
Parvoviridae Infections   5 studies
Passive-Aggressive Personality Disorder   1 study
Patau syndrome   1 study
Patellar Dislocation   4 studies
Patellofemoral Pain Syndrome   14 studies
Patent ductus arteriosus   19 studies
Pathological Conditions, Anatomical   651 studies
Peanut Hypersensitivity   12 studies
Pearson syndrome   2 studies
Pediatric ulcerative colitis   1 study
Pedophilia   2 studies
Pelvic Infection   6 studies
Pelvic Inflammatory Disease   12 studies
Pelvic Neoplasms   12 studies
Pelvic Pain   93 studies
Pemphigoid, Benign Mucous Membrane   2 studies
Pemphigoid, Bullous   9 studies
Pemphigus   16 studies
Pemphigus vulgaris   8 studies
Pemphigus, Benign Familial   1 study
Penile Induration   2 studies
Penile Neoplasms   7 studies
Pentalogy of Cantrell   2 studies
Peptic Ulcer   102 studies
Peptic Ulcer Hemorrhage   19 studies
Peptic Ulcer Perforation   3 studies
Perceptual Disorders   37 studies
Periapical Diseases   7 studies
Periapical Periodontitis   5 studies
Periarthritis   3 studies
Pericardial Effusion   10 studies
Pericarditis   6 studies
Pericarditis, Constrictive   1 study
Pericarditis, Tuberculous   1 study
Periodontal Attachment Loss   3 studies
Periodontal Diseases   91 studies
Periodontitis   42 studies
Peripheral Nervous System Diseases   437 studies
Peripheral Nervous System Neoplasms   27 studies
Peripheral neuroectodermal tumor   110 studies
Peripheral T-cell lymphoma   34 studies
Peripheral Vascular Diseases   249 studies
Peritoneal Diseases   292 studies
Peritoneal Neoplasms   268 studies
Peritonitis   25 studies
Periventricular leukomalacia   11 studies
Peroxisomal Disorders   16 studies
Persian Gulf Syndrome   10 studies
Persistent Fetal Circulation Syndrome   11 studies
Persistent Hyperinsulinemia Hypoglycemia of Infancy   3 studies
Persistent Vegetative State   4 studies
Personality Disorders   64 studies
Peutz-Jeghers Syndrome   5 studies
Peyronie disease   2 studies
Phantom Limb   22 studies
Pharyngeal Diseases   191 studies
Pharyngeal Neoplasms   110 studies
Pharyngitis   24 studies
Phenylketonuria, Maternal   1 study
Phenylketonurias   23 studies
Pheochromocytoma   28 studies
Philadelphia Chromosome   151 studies
Phlebitis   25 studies
Phobic Disorders   81 studies
Phosphate diabetes   2 studies
Phosphoglycerate kinase deficiency   1 study
Photophobia   5 studies
Photosensitive epilepsy   4 studies
Photosensitivity Disorders   15 studies
Phyllodes Tumor   2 studies
Phytanic acid oxidase deficiency   2 studies
Pick Disease of the Brain   28 studies
Picornaviridae Infections   99 studies
Pigment-dispersion syndrome   3 studies
Pigmentary retinopathy   34 studies
Pigmentation Disorders   52 studies
Pilomatrixoma   2 studies
Pilonidal Sinus   4 studies
Pinealoma   34 studies
Pituitary ACTH Hypersecretion   7 studies
Pituitary Diseases   192 studies
Pituitary Neoplasms   29 studies
Pityriasis   1 study
Pityriasis Rubra Pilaris   1 study
Placenta Previa   1 study
Placenta, Retained   2 studies
Placental Insufficiency   2 studies
Plague   4 studies
Plasma cell leukemia   3 studies
Plasmacytoma   67 studies
Plasmacytoma anaplastic   67 studies
Platelet Storage Pool Deficiency   7 studies
Platybasia   1 study
Pleural Diseases   67 studies
Pleural Effusion   64 studies
Pleural Effusion, Malignant   36 studies
Pleural Neoplasms   28 studies
Pleurisy   8 studies
Pleuropneumonia   8 studies
Pleuropulmonary blastoma   2 studies
Pneumococcal Infections   49 studies
Pneumoconiosis   4 studies
Pneumocystis Infections   57 studies
Pneumocystosis   44 studies
Pneumonia   398 studies
Pneumonia, Aspiration   8 studies
Pneumonia, Bacterial   41 studies
Pneumonia, eosinophilic   1 study
Pneumonia, Mycoplasma   5 studies
Pneumonia, Pneumococcal   10 studies
Pneumonia, Pneumocystis   59 studies
Pneumonia, Staphylococcal   1 study
Pneumonia, Ventilator-Associated   58 studies
Pneumonia, Viral   1 study
Pneumoperitoneum   6 studies
Pneumothorax   21 studies
Poisoning   122 studies
Poliomyelitis   68 studies
Polyarteritis Nodosa   7 studies
Polyarthritis   5 studies
Polycystic Kidney Diseases   26 studies
Polycystic Kidney, Autosomal Dominant   20 studies
Polycystic Kidney, Autosomal Recessive   2 studies
Polycystic liver disease   3 studies
Polycystic ovarian syndrome   99 studies
Polycystic Ovary Syndrome   99 studies
Polycythemia   126 studies
Polycythemia Vera   122 studies
Polydactyly   2 studies
Polyhydramnios   3 studies
Polymyalgia Rheumatica   12 studies
Polymyositis   24 studies
Polyneuropathies   73 studies
Polyomavirus Infections   9 studies
Polyps   105 studies
Polyradiculoneuropathy   13 studies
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating   8 studies
Porokeratosis   1 study
Porphyria Cutanea Tarda   3 studies
Porphyria, Acute Intermittent   3 studies
Porphyria, congenital erythropoietic   15 studies
Porphyria, Erythropoietic   15 studies
Porphyrias   15 studies
Porphyrias, Hepatic   8 studies
Port-Wine Stain   14 studies
Portal hypertension   47 studies
Portal thrombosis   1 study
Portal vein thrombosis   1 study
Post Polio syndrome   7 studies
Post-Concussion Syndrome   6 studies
Post-Dural Puncture Headache   5 studies
Post-transplant lymphoproliferative disease   5 studies
Post-traumatic epilepsy   2 studies
Post-Traumatic Headache   4 studies
Posterior Tibial Tendon Dysfunction   2 studies
Postoperative Complications   428 studies
Postoperative Hemorrhage   17 studies
Postoperative Nausea and Vomiting   43 studies
Postpartum Hemorrhage   18 studies
Postpartum Thyroiditis   1 study
Postpericardiotomy Syndrome   1 study
Postphlebitic Syndrome   23 studies
Postpoliomyelitis Syndrome   7 studies
Postthrombotic Syndrome   23 studies
Postural hypotension   28 studies
Postural orthostatic tachycardia syndrome   13 studies
Pouchitis   4 studies
Poxviridae disease   1 study
Poxviridae Infections   59 studies
Prader-Willi Syndrome   14 studies
Pre-Eclampsia   79 studies
Pre-Excitation Syndromes   1 study
Precancerous Conditions   920 studies
Precocious puberty   17 studies
Precursor B-Cell Lymphoblastic Leukemia-Lymphoma   1 study
Precursor Cell Lymphoblastic Leukemia-Lymphoma   778 studies
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma   12 studies
Prediabetic State   61 studies
Pregnancy Complications   468 studies
Pregnancy Complications, Cardiovascular   1 study
Pregnancy Complications, Infectious   35 studies
Pregnancy in Diabetics   8 studies
Pregnancy, Ectopic   6 studies
Pregnancy, Prolonged   5 studies
Pregnancy, Tubal   1 study
Preleukemia   807 studies
Premature Birth   125 studies
Premenstrual Syndrome   28 studies
Prenatal Exposure Delayed Effects   4 studies
Presbycusis   4 studies
Presbyopia   7 studies
Pressure Ulcer   37 studies
Priapism   2 studies
Primary agammaglobulinemia   4 studies
Primary aldosteronism   8 studies
Primary Amyloidosis   20 studies
Primary biliary cirrhosis   19 studies
Primary ciliary dyskinesia   10 studies
Primary effusion lymphoma   16 studies
Primary immunodeficiency disorders   4 studies
Primary progressive aphasia   28 studies
Primary sclerosing cholangitis   10 studies
Prinzmetal's variant angina   3 studies
Prion Diseases   2 studies
Proctitis   3 studies
Progeria   3 studies
Progressive multifocal leukoencephalopathy   8 studies
Progressive spinal muscular atrophy   20 studies
Progressive supranuclear palsy   15 studies
Prolactinoma   5 studies
Prolapse   84 studies
Prolymphocytic leukemia   119 studies
Propionic acidemia   1 study
Prostate cancer, familial   1 study
Prostatic Diseases   1426 studies
Prostatic Hyperplasia   115 studies
Prostatic Intraepithelial Neoplasia   10 studies
Prostatic Neoplasms   1345 studies
Prostatitis   23 studies
Prosthesis-Related Infections   1 study
Protein C Deficiency   2 studies
Protein Deficiency   5 studies
Protein-Energy Malnutrition   5 studies
Proteinuria   125 studies
Proteus Infections   2 studies
Proteus Syndrome   1 study
Protoporphyria   3 studies
Protoporphyria, Erythropoietic   3 studies
Protozoan Infections   434 studies
Prurigo   2 studies
Prurigo nodularis   2 studies
Pruritus   56 studies
Pseudarthrosis   4 studies
Pseudo-Turner syndrome   2 studies
Pseudohermaphroditism   2 studies
Pseudohypoaldosteronism   4 studies
Pseudohypoaldosteronism type 1, autosomal recessive   1 study
Pseudohypoparathyroidism   4 studies
Pseudomonas Infections   8 studies
Pseudomyxoma Peritonei   4 studies
Pseudophakia   4 studies
Pseudopseudohypoparathyroidism   2 studies
Pseudotumor Cerebri   41 studies
Pseudoxanthoma Elasticum   4 studies
Psoriasis   327 studies
Psychomotor Agitation   129 studies
Psychoses, Substance-Induced   2 studies
Psychotic Disorders   1416 studies
Pterygium   20 studies
Pterygium of the conjunctiva   20 studies
Puberty, Delayed   2 studies
Puberty, Precocious   18 studies
Puerperal Disorders   56 studies
Puerperal Infection   1 study
Pulmonary Alveolar Proteinosis   2 studies
Pulmonary arteriovenous malformation   5 studies
Pulmonary Atresia   2 studies
Pulmonary Blastoma   2 studies
Pulmonary Disease, Chronic Obstructive   654 studies
Pulmonary Edema   29 studies
Pulmonary edema of mountaineers   6 studies
Pulmonary Embolism   114 studies
Pulmonary Emphysema   106 studies
Pulmonary Eosinophilia   1 study
Pulmonary Fibrosis   83 studies
Pulmonary Heart Disease   7 studies
Pulmonary Valve Insufficiency   5 studies
Pulmonary Valve Stenosis   5 studies
Pulmonary veins stenosis   3 studies
Pulmonary Veno-Occlusive Disease   1 study
Pulmonic stenosis   5 studies
Pulpitis   2 studies
Pure red cell aplasia   14 studies
Purine-Pyrimidine Metabolism, Inborn Errors   25 studies
Purpura   84 studies
Purpura, Schoenlein-Henoch   4 studies
Purpura, Thrombocytopenic   80 studies
Purpura, Thrombocytopenic, Idiopathic   48 studies
Purpura, Thrombotic Thrombocytopenic   10 studies
Pyelonephritis   14 studies
Pyloric Stenosis   3 studies
Pyloric Stenosis, Hypertrophic   1 study
Pyoderma   7 studies
Pyoderma Gangrenosum   3 studies
Pyropoikilocytosis   1 study
Pyrosis   58 studies
Pyuria   2 studies