| 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... |
| PASARR | pre-admission screening and resident review |
| PTA | parallel tubular arrays; parathyroid adenoma; percutaneous transluminal angioplasty; peroxidase-labe... |