| OTD | oculotrichodysplasia; oral temperature device; organ tolerance dose |
|---|---|
| PET | peak ejection time; polyethylene terphthalate; poor exercise tolerance; positron emission tomography... |
| PT | pain threshold; parathormone; parathyroid; paroxysmal tachycardia; part time; patient; pericardial t... |
| TLm | median tolerance limit |
| tol | tolerance, tolerated |