Shorabekova, U., K. Balgimbekova, A. Shaldybayeva, and T. Talbayev. “Confirmation of 17b-Methyl-5b-Androst-1-Ene-3a,17a-Diol Metabolite of Methandienone in Urine by Triple Quadrupole Mass-Selective Detector Gas Chromatography (GC/MS/MS) Method”. Chemical Bulletin of Kazakh National University, Vol. 69, no. 1, May 2013, pp. 44-50, doi:https://doi.org/10.15328/chemb_2013_144-50.