| av | air velocity; average; avulsion |
|---|---|
| MAS | Meconium Aspiration Syndrome; 태변(양수)흡인증후군 = Massive Aspiration Syndrome; 양수 대량 흡인 증후... |
| PMF | Progressive Massive Fibrosis = Silicosis |
| MHN | massive hepatic necrosis; Mohs hardness number; morbus hemolyticus neonatorum |
| MPP | massive peritoneal proliferation; methyl phenylpyridinium; medical personnel pool; mercaptopyrazide ... |