| HSR | Harleco synthetic resin; heated serum reagin; homogeneously staining region |
|---|---|
| HSR&D | health services research and development |
| HSRC | Health Services Research Center; Human Subjects Review Committee |
| HSRD | hypertension secondary to renal disease |
| HSRI | Health Systems Research Institute |
| HSRS | Health-Sickness Rating Scale |
| HSRV | human spuma retrovirus |