| HCR | heme-controlled repressor; host-cell reactivation; hysterical conversion reaction |
|---|---|
| HMOX | heme oxygenase |
| HS | Haber syndrome; half strength; hamstring; hand surgery; Hartmann solution; head sling; healthy subje... |
| HSyn | heme synthase |
| MHO | microsomal heme oxygenase |