Klymenko, V. M., D. V. Syvolap, A. G. Kaplaushenko, and B. O. Varynskyi. “The Composition of Bile Acids in Patients With Cholelithiasis According to the Data of Liquid Chromatography With Mass Spectrometric Detection”. Zaporozhye Medical Journal, no. 6, Nov. 2017, doi:10.14739/2310-1210.2017.6.114710.