| SOS | self-obtained smear; supplemental oxygen system |
|---|---|
| VIS | vaginal irrigation smear; venous insufficiency syndrome; vertebral irritation syndrome; visible; vis... |
| PAOD | peripheral arterial occlusive disease; peripheral arteriosclerotic occlusive disease |
| PBL | peripheral blood leukocyte; peripheral blood lymphocyte; problem-based learning |
| PBM | peak bone mass; peripheral basement membrane; peripheral blood mononuclear [cell]; placental basemen... |