| OLT | left occipitotransverse [fetal position] [Lat. occipito-laeva transversa]; orthotopic liver transpla... |
|---|---|
| OPS | operations; optical position sensor; osteoporosis-pseudolipoma syndrome; outpatient service; outpati... |
| PDH | past dental history; phosphate dehydrogenase; position-of-the-dynamometer-handle [test]; progressive... |
| PMP | pain management program; patient management program; patient medication profile; peripheral myelin p... |
| POF | pattern of failure; position of function; premature ovarian failure; primary ovarian failure; pyruva... |