| 1. | Abdominal Pain (4 studies) |
| 2. | Abscess (12 studies) |
| 3. | Adhesions (14 studies) |
| 4. | Aging, Premature (1 study) |
| 5. | Alopecia (2 studies) |
| 6. | Amblyopia (10 studies) |
| 7. | Amenorrhea (4 studies) |
| 8. | Amnesia (8 studies) |
| 9. | Aneuploidy (1 study) |
| 10. | Angina Pectoris (29 studies) |
| 11. | Angina, Unstable (7 studies) |
| 12. | Anorexia (13 studies) |
| 13. | Anoxemia (4 studies) |
| 14. | Anoxia (4 studies) |
| 15. | Aphasia (5 studies) |
| 16. | Apnea (36 studies) |
| 17. | Apraxia, Ideomotor (2 studies) |
| 18. | Apraxias (3 studies) |
| 19. | Arrhythmia (60 studies) |
| 20. | Arrhythmia, Sinus (1 study) |
| 21. | Arteriovenous Fistula (1 study) |
| 22. | Arthralgia (2 studies) |
| 23. | Articulation Disorders (2 studies) |
| 24. | Ascites (16 studies) |
| 25. | Asphyxia (2 studies) |
| 26. | Asthenia (9 studies) |
| 27. | Ataxia (11 studies) |
| 28. | Atrial Fibrillation (16 studies) |
| 29. | Atrophy (31 studies) |
| 30. | Auditory Perceptual Disorders (1 study) |
| 31. | Back Pain (21 studies) |
| 32. | Benign Essential Tremor Syndrome (6 studies) |
| 33. | Blast Crisis (4 studies) |
| 34. | Blindness (15 studies) |
| 35. | Blister (2 studies) |
| 36. | Body Temperature Changes (7 studies) |
| 37. | Body Weight Changes (159 studies) |
| 38. | Brown-Sequard Syndrome (1 study) |
| 39. | Cachexia (22 studies) |
| 40. | Calculi (2 studies) |
| 41. | Cardiac Complexes, Premature (2 studies) |
| 42. | Cardiomegaly (14 studies) |
| 43. | Cell Transformation, Neoplastic (1 study) |
| 44. | Cellulitis (2 studies) |
| 45. | Cerebellar Ataxia (2 studies) |
| 46. | Cerebral Hemorrhage (5 studies) |
| 47. | Chest Pain (30 studies) |
| 48. | Chills (2 studies) |
| 49. | Chorea (6 studies) |
| 50. | Choristoma (1 study) |
| 51. | Choroidal Neovascularization (12 studies) |
| 52. | Chromosome Aberrations (8 studies) |
| 53. | Chromosome Deletion (1 study) |
| 54. | Colonic Polyps (2 studies) |
| 55. | Communication Disorders (18 studies) |
| 56. | Confusion (2 studies) |
| 57. | Consciousness Disorders (6 studies) |
| 58. | Constipation (6 studies) |
| 59. | Constitutional Growth Delay (1 study) |
| 60. | Constriction, Pathologic (45 studies) |
| 61. | Convulsions (40 studies) |
| 62. | Cough (2 studies) |
| 63. | Cysts (15 studies) |
| 64. | Deafness (5 studies) |
| 65. | Death (30 studies) |
| 66. | Death, Sudden (28 studies) |
| 67. | Death, Sudden, Cardiac (22 studies) |
| 68. | Delirium (128 studies) |
| 69. | Diarrhea (33 studies) |
| 70. | Dilatation, Pathologic (2 studies) |
| 71. | Dysarthria (2 studies) |
| 72. | Dyskinesias (30 studies) |
| 73. | Dyslexia (5 studies) |
| 74. | Dyslexia, Acquired (1 study) |
| 75. | Dysmenorrhea (2 studies) |
| 76. | Dyspnea (5 studies) |
| 77. | Dystonia (18 studies) |
| 78. | Edema (24 studies) |
| 79. | Emaciation (17 studies) |
| 80. | Emphysema (17 studies) |
| 81. | Encopresis (1 study) |
| 82. | Eye Hemorrhage (2 studies) |
| 83. | Facial Pain (5 studies) |
| 84. | Facial Paralysis (1 study) |
| 85. | Failure to Thrive (2 studies) |
| 86. | Fatigue (31 studies) |
| 87. | Fetal Growth Retardation (1 study) |
| 88. | Fever (36 studies) |
| 89. | Fibrosis (91 studies) |
| 90. | Fistula (2 studies) |
| 91. | Flushing (2 studies) |
| 92. | Gallstones (1 study) |
| 93. | Gastrointestinal Hemorrhage (3 studies) |
| 94. | Gastroparesis (2 studies) |
| 95. | Graft Occlusion, Vascular (3 studies) |
| 96. | Granuloma (36 studies) |
| 97. | Growth Disorders (6 studies) |
| 98. | Hallucinations (6 studies) |
| 99. | Headache (9 studies) |
| 100. | Hearing Disorders (15 studies) |
| 101. | Hearing Loss (16 studies) |
| 102. | Heart Block (2 studies) |
| 103. | Hemiplegia (8 studies) |
| 104. | Hemolysis (5 studies) |
| 105. | Hemorrhage (28 studies) |
| 106. | Hernia (6 studies) |
| 107. | Hernia, Diaphragmatic (1 study) |
| 108. | Hot Flashes (25 studies) |
| 109. | Hyperalgesia (5 studies) |
| 110. | Hyperbilirubinemia (3 studies) |
| 111. | Hypercapnia (2 studies) |
| 112. | Hyperkinesis (25 studies) |
| 113. | Hyperoxia (1 study) |
| 114. | Hyperplasia (19 studies) |
| 115. | Hypertrophy (32 studies) |
| 116. | Hypokinesia (1 study) |
| 117. | Hypothermia (3 studies) |
| 118. | Infarction (137 studies) |
| 119. | Inflammation (73 studies) |
| 120. | Intestinal Polyps (2 studies) |
| 121. | Intestinal Volvulus (1 study) |
| 122. | Intracranial Hemorrhages (8 studies) |
| 123. | Intraoperative Complications (1 study) |
| 124. | Inversion (Genetics) (1 study) |
| 125. | Jaundice (1 study) |
| 126. | Jaundice, Neonatal (1 study) |
| 127. | Kidney Calculi (1 study) |
| 128. | Language Development Disorders (1 study) |
| 129. | Language Disorders (18 studies) |
| 130. | Learning Disorders (4 studies) |
| 131. | Leukocytosis (1 study) |
| 132. | Low Back Pain (18 studies) |
| 133. | Memory Disorders (11 studies) |
| 134. | Menorrhagia (1 study) |
| 135. | Menstruation Disturbances (9 studies) |
| 136. | Mental Retardation (34 studies) |
| 137. | Metaplasia (48 studies) |
| 138. | Multiple Organ Failure (10 studies) |
| 139. | Muscle Cramp (9 studies) |
| 140. | Muscle Hypertonia (5 studies) |
| 141. | Muscle Hypotonia (1 study) |
| 142. | Muscle Rigidity (2 studies) |
| 143. | Muscle Spasticity (9 studies) |
| 144. | Muscle Weakness (5 studies) |
| 145. | Muscular Atrophy (8 studies) |
| 146. | Mutism (1 study) |
| 147. | Myoclonus (7 studies) |
| 148. | Nausea (21 studies) |
| 149. | Neck Pain (6 studies) |
| 150. | Necrosis (18 studies) |
| 151. | Neoplasm Metastasis (744 studies) |
| 152. | Neoplasm Recurrence, Local (1 study) |
| 153. | Neoplasms, Unknown Primary (16 studies) |
| 154. | Neoplastic Processes (335 studies) |
| 155. | Neovascularization, Pathologic (19 studies) |
| 156. | Nerve Degeneration (3 studies) |
| 157. | Neuralgia (14 studies) |
| 158. | Neurobehavioral Manifestations (72 studies) |
| 159. | Neurologic Manifestations (288 studies) |
| 160. | Neuromuscular Manifestations (11 studies) |
| 161. | Nonsyndromic Hereditary Hearing Impairment (1 study) |
| 162. | Obesity (152 studies) |
| 163. | Oligomenorrhea (1 study) |
| 164. | Ophthalmoplegia (1 study) |
| 165. | Oral Manifestations (1 study) |
| 166. | Osteonecrosis (2 studies) |
| 167. | Pain (206 studies) |
| 168. | Pain, Postoperative (6 studies) |
| 169. | Paralysis (30 studies) |
| 170. | Paraparesis (6 studies) |
| 171. | Paraparesis, Spastic (6 studies) |
| 172. | Paraplegia (4 studies) |
| 173. | Paresis (2 studies) |
| 174. | Paresthesia (2 studies) |
| 175. | Pathologic Processes (533 studies) |
| 176. | Pathological Conditions, Anatomical (16 studies) |
| 177. | Pathological Conditions, Signs and Symptoms (1078 studies) |
| 178. | Pelvic Pain (7 studies) |
| 179. | Peptic Ulcer Hemorrhage (2 studies) |
| 180. | Perceptual Disorders (4 studies) |
| 181. | Phantom Limb (1 study) |
| 182. | Philadelphia Chromosome (63 studies) |
| 183. | Polyps (3 studies) |
| 184. | Postoperative Complications (28 studies) |
| 185. | Postoperative Nausea and Vomiting (2 studies) |
| 186. | Premenstrual Syndrome (5 studies) |
| 187. | Prolapse (1 study) |
| 188. | Pruritus (2 studies) |
| 189. | Psychomotor Agitation (15 studies) |
| 190. | Psychomotor Disorders (4 studies) |
| 191. | Purpura (11 studies) |
| 192. | Quadriplegia (4 studies) |
| 193. | Reperfusion Injury (2 studies) |
| 194. | Retinal Neovascularization (1 study) |
| 195. | Sciatica (4 studies) |
| 196. | Sclerosis (94 studies) |
| 197. | Seizures (40 studies) |
| 198. | Sensation Disorders (38 studies) |
| 199. | Sepsis Syndrome (2 studies) |
| 200. | Shock (13 studies) |
| 201. | Shock, Cardiogenic (2 studies) |
| 202. | Shock, Hemorrhagic (1 study) |
| 203. | Shock, Septic (6 studies) |
| 204. | Short Bowel Syndrome (2 studies) |
| 205. | Shoulder Pain (1 study) |
| 206. | Signs and Symptoms (1079 studies) |
| 207. | Signs and Symptoms, Digestive (54 studies) |
| 208. | Signs and Symptoms, Respiratory (9 studies) |
| 209. | Skin Manifestations (3 studies) |
| 210. | Sleep Deprivation (4 studies) |
| 211. | Sleep Disorders (60 studies) |
| 212. | Somatosensory Disorders (3 studies) |
| 213. | Spasm (7 studies) |
| 214. | Spasmodic Dysphonia (7 studies) |
| 215. | Spastic Dysphonia (7 studies) |
| 216. | Speech Disorders (11 studies) |
| 217. | Splenomegaly (3 studies) |
| 218. | Stress (63 studies) |
| 219. | Stuttering (7 studies) |
| 220. | Subarachnoid Hemorrhage (3 studies) |
| 221. | Sudden Infant Death (2 studies) |
| 222. | Suppuration (12 studies) |
| 223. | Supranuclear Palsy, Progressive (2 studies) |
| 224. | Surgical Wound Infection (1 study) |
| 225. | Syncope (7 studies) |
| 226. | Syncope, Vasovagal (3 studies) |
| 227. | Tachycardia (12 studies) |
| 228. | Tachycardia, Supraventricular (2 studies) |
| 229. | Tachycardia, Ventricular (7 studies) |
| 230. | Taste Disorders (1 study) |
| 231. | Thinness (1 study) |
| 232. | Tics (21 studies) |
| 233. | Tinnitus (2 studies) |
| 234. | Torticollis (3 studies) |
| 235. | Translocation (Genetics) (2 studies) |
| 236. | Tremor (13 studies) |
| 237. | Trisomy (1 study) |
| 238. | Ulcer (52 studies) |
| 239. | Unconsciousness (6 studies) |
| 240. | Urinary Calculi (1 study) |
| 241. | Uterine Hemorrhage (1 study) |
| 242. | Vascular Fistula (1 study) |
| 243. | Ventricular Fibrillation (10 studies) |
| 244. | Vertigo (1 study) |
| 245. | Vision Disorders (21 studies) |
| 246. | Vision, Low (3 studies) |
| 247. | Vitreous Hemorrhage (2 studies) |
| 248. | Vocal Cord Paralysis (1 study) |
| 249. | Voice Disorders (8 studies) |
| 250. | Vomiting (22 studies) |
| 251. | X-Linked Lymphoproliferative Syndrome (2 studies) |
