| IFCS | inactivated fetal calf serum |
|---|---|
| IHS | idiopathic hypereosinophilic syndrome; inactivated horse serum; Indian Health Service; integrated he... |
| IHSA | iodinated human serum albumin |
| IRSA | idiopathic refractory sideroblastic anemia; iodinated rat serum albumin |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |