There are multiple definitions:

1. sexually acquired reactive arthritis(English)

   • Transmissible disease, Sexuality

2. Superconducting quantum interference device Array for Reproductive Assessment(English)

3. SMAD anchor for receptor activation(English)

   • SMAD, R-SMAD
   • Signal transduction

4. scale for the assessment and rating of ataxia(English)

   • ICARS, MJD, NSE, SCA3
   • Ataxia, Scoring systems/scales
   • https://doi.org…347.2011.06.006