| HAGG | hyperimmune antivariola gammaglobulin |
|---|---|
| AHGG | antihuman gammaglobulin; aggregated human gammaglobulin |
| HIS | health information system; Health Interview Survey; histatin; histidine; hospital information system... |
| HM | hand movements; health maintenance; heart murmur; hemifacial microsomia; Holter monitoring; home man... |
| HMAS | hyperimmune mouse ascites |