| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| LBF | Lactobacillus bulgaricus factor; limb blood flow; liver blood flow |
| LMM | Lactobacillus maintenance medium; lentigo maligna melanoma; light meromyosin |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OET | oral endotracheal tube; oral esophageal tube |