| ARF | acute renal failure; acute respiratory failure; acute rheumatic fever; Addiction Research Foundation... |
|---|---|
| AB | abdominal; abnormal; abortion; Ace bandage; active bilaterally; aid to the blind; alcian blue; alert... |
| AIB | aminoisobutyrate; avian infectious bronchitis |
| BR | barrier reared [experimental animals]; baseline recovery; bathroom; bed rest; bedside rounds; biliru... |
| Br | breech; bregma; bridge; bromine; bronchitis; brown; Brucella; brucellosis |