| 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... |
| HTA | heterophil transplantation antigen; human thymocyte antigen; hydroxytryptamine; hypophysiotropic are... |
| LA | lactic acid; large amount; laser angioplasty; late abortion; late antigen; latex agglutination; left... |
| LFA | left femoral artery; left frontal craniotomy; left fronto-anterior [fetal position]; leukocyte funct... |