| A/P | abdominal/perineal; antepartum; ascites/plasma [ratio] |
|---|---|
| AT | abdominal thrusts; achievement test; Achilles tendon; Achard-Thiers [syndrome]; adaptive thermogenes... |
| ATI | abdominal trauma index |
| AXR | abdominal x-ray [examination] |
| BAT | basic aid training; best available technology; blunt abdominal trauma; brown adipose tissue |