| BEL |
blood ethanol level; bovine embryonic lung |
| BIL |
basal insulin level; bilirubin |
| BOLD |
bleomycin, Oncovin, lomustin, dacarbazine; blood oxygenation level dependent |
| BSL |
benign symmetric lipomatosis; blood sugar level |
| CPDL |
cumulative population doubling level |
