Muthmaina, A., E. K. Dwianingsih, S. A. Sarasati, H. Purnasidha Bagaswoto, and H. Mumpuni. “Monophasic Synovial Sarcoma of the Left Ventricle of the Heart: An Extremely Rare Case and Literature Review”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. C, July 2021, pp. 109-13, doi:10.3889/oamjms.2021.6541.