| ALO | average lymphocyte output; axiolinguo-occlusal |
|---|---|
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
| BCO | biliary cholesterol output |
| BPO | basal pepsin output; benzyl penicilloyl |
| CMO | cardiac minute output; Chief Medical Officer; comfort measures only; competitive medical organizatio... |