BAL (British anti-Lewisite)

BAL (bronchoalveolar lavage)

BAL (blood alcohol level)

BALF (bronchoalveolar lavage fluid)

Band (banded neutrophil)

BAPE (benign asbestos pleural effusion)

barbs (barbiturates)

BAS-G (Bath Ankylosing Spondylitis Patient Global Score)

BASDI (Bath Ankylosing Spondylitis Disease Activity Index)

BASFI (Bath ankylosing spondylitis functional index)