| MMPI | matrix metalloproteinase specific for collagen type I; Minnesota Multiphasic Personality Inventory |
|---|---|
| MPD | main pancreatic duct; maximum permissible dose; mean population doubling; membrane potential differe... |
| MPI | mannose phosphate isomerase; master patient index; maximum permitted intake; maximum point of impuls... |
| NPD | narcissistic personality disorder; natriuretic plasma dialysate; negative pressure device; Niemann-P... |
| NPFT | Neurotic Personality Factor Test |