| AAHPER | American Association for Health, Physical Education, and Recreation |
|---|---|
| APD | action potential duration; acute polycystic disease; advanced physical diagnosis; anteroposterior di... |
| APE | acetone powder extract; acute polioencephalitis; acute psychotic episode; airway pressure excursion;... |
| APMR | Association for Physical and Mental Retardation |
| APTA | American Physical Therapy Association |