| ISC | immunoglobulin-secreting cells; insoluble collagen; International Society of Cardiology; Internation... |
|---|---|
| ISE | inhibited sexual excitement; International Society of Endocrinology; International Society of Endosc... |
| ISMED | International Society on Metabolic Eye Disorders ISMH International Society of Medical Hydrology |
| ISN | integrated service network; International Society of Nephrology; International Society of Neurochemi... |
| SPR | sepiapterin reductase; serial probe recognition; specific pathogen free; Society for Pediatric Radio... |