| MSHIF | melanocyte-stimulating hormone-inhibiting factor |
|---|---|
| PIH | periventricular-intraventricular hemorrhage; phenyl isopropylhydrazine; pregnancy-induced hypertensi... |
| PRIH | prolactin release-inhibiting hormone |
| RIP | radioimmunoprecipitation; reflex inhibiting pattern; respiratory inductance plethysmography |
| SIT | serum inhibiting titer; Slosson Intelligence Test; sperm immobilization test; suggested immobilizati... |