| HAA | hearing aid amplifier; hemolytic anemia antigen; hepatitis-associated antigen; hospital activity ana... |
|---|---|
| HAE | health appraisal examination; hearing aid evaluation; hepatic artery embolism; hereditary angioneuro... |
| HAM | hearing aid microphone; helical axis in motion; human albumin microsphere; human alveolar macrophage... |
| HAP | Handicapped Aid Program; Hazardous Air Pollutants [List]; hazardous air pollution; health alliance p... |
| HHA | health hazard appraisal; hereditary hemolytic anemia; home health agency; home health aid; hypothala... |