retraction ring - RPET
- Rh factor
- Rh hemolytic disease
- Rh incompatibility
- Rh isoimmunization
- Rh sensitization
- Rh+
- Rh-
- rh-BMP
- Rh-negative
- Rh-null syndrome
- Rh-positive
- rH-TNF
- rh-tPA
- Rh0(D) immune globulin
- Rha
- rhabarberone
- rhabd(o)-
- rhabd-
- Rhabdiasoidea
- rhabditic
- rhabditic dermatitis
- Rhabditidae
- rhabditiform
- Rhabditis
- Rhabditis hominis
- Rhabditis intestinalis
- Rhabditis niellyi
- Rhabditis pellio
- Rhabditis strongyloides
- Rhabditis-like
- rhabditoid
- Rhabditoidea
- rhabdo-, rhabd-
- rhabdocyte
- rhabdoid
- rhabdoid meningioma
- rhabdoid suture
- rhabdoid tumor of the kidney
- rhabdomyoblast
- rhabdomyoblastoma
