| EMA | electronic microanalyzer; emergency medical assistance, emergency medical assistant; endothelial mon... |
|---|---|
| GSA | general somatic afferent; group-specific antigen; Gross virus antigen; guanidinosuccinic acid |
| 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... |