| HAA | hearing aid amplifier; hemolytic anemia antigen; hepatitis-associated antigen; hospital activity ana... |
|---|---|
| SSD | shaded surface display; single saturating dose; Social Security disability; source-skin distance; so... |
| TSTA | toxoplasmin skin test antigen; tumor-specific tissue antigen; tumor-specific transplantation antigen... |
| HBsAG | hepatitis B surface virus |
| CAH | chronic active hepatitis; chronic aggressive hepatitis; combined atrial hypertrophy; congenital adre... |