| FPD | feto-pelvic disproportion; flame photometric detector |
|---|---|
| MFID | multielectrode flame ionization detector |
| NPD | narcissistic personality disorder; natriuretic plasma dialysate; negative pressure device; Niemann-P... |
| PID | pain intensity difference [score]; pelvic inflammatory disease; photoionization detector; picture im... |
| PSD | particle size distribution; peptone, starch, and dextrose; periodic synchronous discharge; phase-sen... |