| IASP | International Association for Study of Pain |
|---|---|
| ICS | ileocecal sphincter; immotile cilia syndrome; impulse-conducting system; integrated case study; inte... |
| IESS | Intergroup Ewing Sarcoma Study |
| IMAGE | International Multicenter Angina Exercise [study] |
| INSIGHT | International Nifedipine Study Intervention as a Goal in Hypertension Treatment |