| TTA | tetanus toxoid antibody; timed therapeutic absence; total toe arthroplasty; transtracheal aspiration... |
|---|---|
| TVC | timed vital capacity; total viable cells; total volume capacity; transvaginal cone; triple voiding c... |
| 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... |