%0 Journal Article %A T. Johannsen %A C. Wang %A A. E. Broderick %A S. S. Doeleman %A V. L. Fish %A A. Loeb %A D. Psaltis %B Physical Review Letters %D 2016 %G eng %N 9 %P 091101 %R 10.1103/PhysRevLett.117.091101 %T Testing General Relativity with Accretion-Flow Imaging of Sgr A* %V 117