| MMPNC | Medical Maternal Program for Nuclear Casualties |
|---|---|
| MMR | mass miniature radiography; masseter muscle rigidity; maternal mortality rate; measles-mumps-rubella... |
| MSAFP, MS-AFP | maternal serum alpha-fetoprotein |
| Xm | maternal chromosome X |
| HCO | Health Care Organization; 의료조직 = MCO; Medical Care Organization |