There are multiple definitions:

1. coherent source region suppression(English)

   • exhibits precise localization and minimal amplitude and phase distortion for a broad range of relative interferer's positions within the suppression region
   • LCMV, MCMV, PSC, MEG, ASSR
   • Bioengineering, Auditory system
   • https://doi.org…BME.2007.906504

2. Cardiac Surgery Reporting System(English)

   • CABG
   • Organizations (documentation), Cardiology, Surgery
   • https://doi.org…ardio.2020.6585

3. Carroll Self-Rating Scale(English)

   • CRS, HRSD
   • Psychiatry, Scoring systems/scales, Depression
   • https://doi.org…1781(85)90056-3