| IRI | immunoreactive insulin; insulin resistance index |
|---|---|
| IRS | immunoreactive secretion; infrared spectrophotometry; insulin receptor species; insulin receptor sub... |
| IST | inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Soci... |
| BSR | basal skin resistance; blood sedimentation rate; bowel sounds regular; brain stimulation reinforceme... |
| LRMP | last regular menstrual period |