Drupal-Bibcite0<style face="normal" font="default" size="100%">GRMHD Simulations of Visibility Amplitude Variability for Event Horizon Telescope Images of Sgr A*</style><style face="normal" font="default" size="100%">GRMHD Simulations of Visibility Amplitude Variability for Event Horizon Telescope Images of Sgr A*</style>