| AOR | Alvarado Orthopedic Research [instruments]; auditory oculogyric reflex |
|---|---|
| ART | absolute retention time; Accredited Record Technician; acoustic reflex test; algebraic reconstructio... |
| ATNR | asymmetric tonic neck reflex |
| ATR | Achilles tendon reflex; alpha-thalassemia-mental retardation [syndrome] |
| Bab | Babinski's reflex; baboon |