| RSA | rabbit serum albumin; regular spiking activity; relative specific activity; relative standard accura... |
|---|---|
| RScA | right scapuloanterior [fetal position] |
| RScP | right scapuloposterior [fetal position] |
| RSL | right sacrolateral [fetal position] |
| RSP | removable silicone plug; ribose-5-phosphatase; right sacroposterior [fetal position] |