| OHIPD | Office of Health Information Programs Development |
|---|---|
| OSRD | Office of Scientific Research and Development |
| PDI | pain disability index; periodontal disease index; plan-do integration; psychomotor development index... |
| PDP | pattern disruption point; piperidinopyrimidine; platelet-derived plasma; primer-dependent deoxynucle... |
| PMD | Pelizaeus-Merzbacher disease; posterior mandibular depth; primary myocardial disease; private medici... |