| RCH | rectocolic hemorrhage |
|---|---|
| RH | radiant heat; radiation hybrid; radiological health; reactive hyperemia; recurrent herpes; regulator... |
| SAH | S-adenosyl-L-homocysteine; subarachnoid hemorrhage |
| SEH | subependymal hemorrhage |
| SRH | single radial hemolysis; somatotropin-releasing hormone; spontaneously responding hyperthyroidism; s... |