| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
|---|---|
| HAA | hearing aid amplifier; hemolytic anemia antigen; hepatitis-associated antigen; hospital activity ana... |
| HHA | health hazard appraisal; hereditary hemolytic anemia; home health agency; home health aid; hypothala... |
| HNSHA | hereditary nonspherocytic hemolytic anemia |
| HPCHA | high red-cell phosphatidylcholine hemolylic anemia |