| LOC | laxative of choice; level of consciousness; liquid organic compound; locus of control; loss of consc... |
|---|---|
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OET | oral endotracheal tube; oral esophageal tube |
| OHI | Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene In... |
| OC | 1) Osteo-Calcin 2) Oral Contraceptive |