| ppm | parts per million; pulses per minute |
|---|---|
| PPM, ppm, p.p.m. | Parts Per Million; 100만분의 1; 기체또는기체화의 공업독물을 측정할때 사용하는 농도의 단위 22.4 = mg/m2 x ---------- 분자량 |
| PPMA | progressive postmyelitis muscular atrophy |
| PPMS | Performax's Personal Matrix System |
| PPN | partial parenteral nutrition; pedunculopontine nucleus |
| PPN | painful peripheral neuropathy |
| PPNA | peak phrenic nerve activity |
| PPNAD | primary pigmented nodular adrenocortical disease |
| PPNG | Penicillinase-Producing NG |
| PPNG | penicillinase-producing Neisseria gonorrhoeae |