| HA | 1) Hemolytic Anemia 2) Head-Ache |
|---|---|
| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alliance; hearing aid; height age; hemadsorption; hemagglutinating antibody; hemagglutination; hemagglutinin; hemolytic anemia; hemophiliac with adenopathy; hepatic adenoma; hepatic artery; hepatitis A; hepatitis-associated; heterophil antibody; Heyden antibiotic; high anxiety; hippuric acid; histamine; histocompatibility antigen; Horton arteritis; hospital administration; hospital admission; hospital apprentice; Hounsfield unit; human albumin; hyaluronic acid; hydroxyapatite; hyperalimentation; hyperandrogenism; hypersensitivity alveolitis; hypothalamic amenorrhea |
| Ha | absolution hypermetropia; hafnium; hamster; Hartmann number |
| ha | hectare |
| HA | Ag hepatitis A antigen |
| Ha-MSV | Harvey murine sarcoma virus |
| HA2 | hemadsorption virus 2 |
| HAA | hearing aid amplifier; hemolytic anemia antigen; hepatitis-associated antigen; hospital activity analysis |
| HAART | highly active antiretroviral therapy |
| HAB | histoacryl blue |