| POS | periosteal osteosarcoma; physician order set; point of service; polycystic ovary syndrome; psychoorg... |
|---|---|
| pos | position; positive |
| HEV | health and environment; hemagglutinating encephalomyelitis virus; hepatitis E virus; hepato-encephal... |
| SFV | Semliki Forest virus; shipping fever virus; Shope fibroma virus; squirrel fibroma virus |
| ALV | Abelson leukemia virus; adeno-like virus; alveolar, alveolus; ascending lumbar vein; avian leukosis ... |