Medicine
- Paracentesis
- parametric test
- Parasitology
- Parathyroidectomy
- Parotidectomy
- pathology
- Patient-Controlled Analgesia
- pediatrics
- Percutaneous transhepatic cholangiography
- Pericardiocentesis
- Periodic Health Examination
- periodontics
- Peritoneovenous shunt
- PET scan
- Pet therapy
- pharmacology
- pharmacopoeia
- pharmacy
- Pharyngectomy
- Phlebectomy