| PPO | Peak power output |
|---|---|
| PPO | Platelet peroxidase |
| PPO | Polyphenol oxidase |
| PPO | Preferred Provider Organization |
| PPO | Protoporphyrinogen oxidase |
| PPP | Palmoplantar pustulosis |
| PPP | Pentose phosphate pathways |
| PPP | Platelet Poor Plasma |
| PPP | Polyphloretin phosphate |
| PPP | Primary Proliferative Polycythaemia |