| URF | unidentified reading frame; uterine relaxing factor |
|---|---|
| BT | 1) Bleeding Time 2) Body Temperature |
| WDB | Withdrawl Delayed Bleeding |
| BB | bad breath; bed bath; beta blockade, beta blocker; BioBreeding [rat]; blanket bath; blood bank; bloo... |
| BET | benign epithelial tumor; bleeding esophageal varix; Brunauer-Emmet-Teller [method] |