| AH | abdominal hysterectomy; absorptive hypercalciuria; accidental hypothermia; acetohexamide; acid hydro... |
|---|---|
| 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 |
| HDV | hepatitis D virus; hepatitis delta virus |