| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
|---|---|
| HAI | hemagglutination inhibition; hepatic arterial infusion |
| HATTS | hemagglutination treponemal test for syphilis |
| HI | half-scan with interpolation; head injury; health insurance; hearing impaired; heart infusion; hemag... |
| H-I | hemagglutination-inhibition |