| AbSR | abnormal skin reflex |
|---|---|
| ADR | activation, depression, repetition [in bone remodeling]; adrenodoxin reductase; Adriamycin; adverse ... |
| 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 |