| RMA | rapid membrane assay; refuses medical advice; Registered Medical Assistant; relative medullary area;... |
|---|---|
| RMT | Registered Music Therapist; relative medullary thickness; retromolar trigone; right mentotransverse ... |
| RPh | Registered Pharmacist |
| RPT | rapid pull-through; refractory period of transmission; Registered Physical Therapist; renal parenchy... |
| RRA | radioreceptor assay; registered record administrator |