| AIP | acute idiopathic pericarditis; acute infectious polyneuritis; acute intermittent porphyria; aldoster... |
|---|---|
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| IBV | infectious bronchitis vaccine; infectious bronchitis virus |
| IPV | inactivated poliomyelitis vaccine or virus; infectious pustular vaginitis; infectious pustular vulvo... |
| GBS | 1) Guillain-Barr Syndrome = PIP; Post-Infectious Polyneuropat... |