| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
|---|---|
| YFI | yellow fever immunization |
| CAH | chronic active hepatitis; chronic aggressive hepatitis; combined atrial hypertrophy; congenital adre... |
| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
| HBV | hepatitis B vaccine; hepatitis B virus |