| PPDS | phonologic programming deficit syndrome |
|---|---|
| PPE | palmoplantar erythrodysesthesia; personal protective equipment; polyphosphoric ester; porcine pancreatic elastase; protective personal equipment; pulmonary permeability edema |
| PPES | palmar-plantar erythrodysesthesia syndrome |
| PPF | Plasma Protein Fraction |
| PPF | pellagra preventive factor; phagocytosis promoting factor; phosphonoformate; plasma protein fraction |
| PPFA | Planned Parenthood Federation of America |
| PPG | photoplethysmography; platelet proteoglycan; portal pressure gradient |
| ppg | picopicogram |
| PPGA | postpill galactorrhea-amenorrhea |
| PPGB | protective protein of beta-galactosidase |