| AP | accessory pathway; accounts payable; acid phosphatase; acinar parenchyma; action potential; active p... |
|---|---|
| AFRD | acute febrile respiratory disease |
| AFRI | acute febrile respiratory illness |
| ACI | acceleration index; acoustic comfort index; acute cardiac ischemia; acute coronary infarction; acute... |
| AIE | acute inclusion-body encephalitis; acute infectious encephalitis; acute infective endocarditis |