| OPS | operations; optical position sensor; osteoporosis-pseudolipoma syndrome; outpatient service; outpati... |
|---|---|
| OPD | obstetric prediabetic; optical path difference; otopalatodigital [syndrome]; outpatient department; ... |
| OPT | outpatient; outpatient treatment |
| HAS | Hamilton Anxiety Scale; health advisory service; highest asymptomatic [dose]; hospital administrativ... |
| AMS | ablepharon-microstomia syndrome; acute mountain sickness; adenosylmethionine synthetase; aggravated ... |