| RAT | repeat action tablet; rheumatoid arthritis test |
|---|---|
| RBAP | repetitive bursts of action potential |
| SAE | serious adverse event; short above-elbow [cast]; specific action exercise; subcortical arteriosclero... |
| SAP | sensory action potential; serum acid phosphatase; serum alkaline phosphatase; serum amyloid P; situs... |
| SDA | right sacroanterior [fetal position] [Lat. sacrodextra anterior]; sialodacryoadenitis; specific dyna... |