| IAT | instillation abortion time; iodine azide test; invasive activity test |
|---|---|
| IHT | insulin hypoglycemia test; intravenous histamine test; ipsilateral head turning |
| MET | maximal exercise test; metabolic equivalent of the task; metastasis, metastatic; methionine; midexpi... |
| MRT | magnetic resonance tomography; maximum relaxation time; median range score; median reaction time; me... |
| MTT | malignant teratoma, trophoblastic; maximal treadmill test; meal tolerance test; mean transit time; m... |