| PEI | Patient Exit Interview; phosphate excretion index; physical efficiency index; polyethyleneimine |
|---|---|
| PEP | peptidase; phospho(enol)pyruvate; peer evaluation program; phosphoenolpyruvate; pigmentation, edema,... |
| PG | paregoric; parotid gland; pentagastrin; pepsinogen; peptidoglycan; Pharmacopoeia Germanica; phosphat... |
| Ph | pharmacopeia; phenyl; Philadelphia [chromosome]; phosphate |
| phos | phosphate |