| ADR | activation, depression, repetition [in bone remodeling]; adrenodoxin reductase; Adriamycin; adverse ... |
|---|---|
| APE | acetone powder extract; acute polioencephalitis; acute psychotic episode; airway pressure excursion;... |
| APRV | airway pressure release ventilation |
| APTI | airway pressure time index |
| ARI | acute respiratory illness; airway reactivity index; anxiety reaction, intense |