| AIT | acute intensive treatment |
|---|---|
| ALLHAT | Antihypertensive and Lipid Lowering Treatment to Prevent Heart Attack Trial |
| ASSERT | improving Alcohol and Substance abuse Services and Educating providings to Refer patients to Treatme... |
| AT | abdominal thrusts; achievement test; Achilles tendon; Achard-Thiers [syndrome]; adaptive thermogenes... |
| BTP | biliary tract pain; biological treatment planning |