I. H. Aminov, M. V. Churkin, E. J. Plotnikova, V. I. Podoluzhny, KrasnovK. А., and O. A. Krasnov, “Comparative analysis of methods of prevention of drug- ERCP-induced pancreatitis”, BCP, vol. 32, no. 3, pp. 49-56, Sep. 2016.