Fatimah, F.; Susilaningsih, N.; Sukmaningtyas, H.; Subagio, A. Effectiveness of Boiling Method Using Aquadest Solvent in Oolong Tea Extraction Producing Mangenese Particle As a Contrast Media on Magnetic Resonance Cholangiopancreatography (MRCP). Med.Lab.Tech.J. 2021, 7, 164-173.