| AFP | Alpha(α) Feto-Protein [HP 1826, 1858, 1859, 2265] ; Oncofetal Antigens &nbs... |
|---|---|
| CLO | cod liver oil |
| COD | 1) Choice Of Drug 2) Cause Of Death 3) Chemical O2 Demand;... |
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
| OR | a logical binary relation that is true if any argument is true, and false otherwise; [o]estrogen rec... |