| MSAA | multiple sclerosis-associated agent |
|---|---|
| narco | narcotic, narcotic addict, drug enforcement agent |
| NSAIA | nonsteroidal anti-inflammatory agent |
| OCA | oculocutaneous albinism; olivopontocerebellar atrophy; oral contraceptive agent |
| PAM | pancreatic acinar mass; penicillin aluminum monostearate; peptidylglycine alpha-amidating monooxygen... |