Suharyo Hadisaputro, Sagita Yudha, Jeffri Ardiyanto, Rini Indrati, Donny Kristanto Mulyantoro, and Siti Masrochah. 2020. “Benefits of Steeping Black Tea As a Negative Contrast Medium on CT Urography Examination”. International Journal of Allied Medical Sciences and Clinical Research 8 (3):647-50. https://doi.org/10.61096/ijamscr.v8.iss3.2020.647-650.