| OFAGE | orthogonal field alternation gel electrophoresis |
|---|---|
| OIF | observed intrinsic frequency; oil immersion field; Osteogenesis Imperfecta Foundation |
| PFG | peak flow gauge; pulsed-field gel electrophoresis |
| PFGE | pulsed field gel electrophoresis |
| PVF | peripheral visual field; portal venous flow; primary ventricular fibrillation |