| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
|---|---|
| MCAT | medical college admission test; middle cerebral artery thrombosis |
| MSAN | medical student's admission note |
| PA | panic attack; pantothenic acid; paralysis agitans; paranoia; passive aggressive; pathology; patient'... |
| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |