| IPPV | Intermittedt Positive Pressure Ventilation |
|---|---|
| IPPW | isolated pyloric pressure wave |
| IPR | Imidazolines Preferring Receptors |
| IPR | Isoprenaline |
| IPR | Isoproterenol |
| IPRK | isolated perfused rat kidney |
| IPRL | Isolated perfused rat liver |
| IPS | Idiopathic pneumonia syndrome |
| IPS | Intermittent Photic Stimulation |
| Ips | Ipsapirone |