Gusarov, V.I., Kovalenko, S.M., Zaremba, O.V. and Gusarova, T.D. 2013. Analysis of cholic acid amides by high-performance liquid chromatography. Zaporozhye Medical Journal. 6 (Oct. 2013). DOI:https://doi.org/10.14739/2310-1210.2012.6.20143.