| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
|---|---|
| OG | obstetrics and gynecology; occlusogingival; oligodendrocyte; optic ganglion; orange green; orogastri... |
| OJ | orange juice |
| OrJ | orange juice |
| MPMP | 10[(1-methyl-3-piperidinyl)-methyl]-1OH-phenothiazine |