| RH | radiant heat; radiation hybrid; radiological health; reactive hyperemia; recurrent herpes; regulator... |
|---|---|
| SH | Salter-Harris [fracture]; Schonlein-Henoch [purpura]; self-help; serum hepatitis; sexual harassment;... |
| hCRH | human corticotropin-releasing hormone |
| HD | Haab-Dimmer [syndrome]; Hajna-Damon [broth]; Hansen disease; hearing distance; heart disease; helix ... |
| HGHRF | human growth hormone releasing factor |