Vceláková H, Hill M, Lapcík O, Parízek A. Determination of 17alpha-hydroxypregnenolone sulfate and its application in diagnostics. In: Steroids. 2007 Apr. PMID 17298837. doi:10.1016/j.steroids.2006.11.026.
Hill M, Lukác D, Lapcík O, Sulcová J, Hampl R, Pouzar V, Stárka L (April 1999). Age relationships and sex differences in serum levels of pregnenolone and 17-hydroxypregnenolone in healthy subjects. In: Clinical Chemistry and Laboratory Medicine. 37 (4): 439–447. doi:10.1515/CCLM.1999.072, PMID 10369116
Vceláková H, Hill M, Lapcík O, Parízek A. Determination of 17alpha-hydroxypregnenolone sulfate and its application in diagnostics. In: Steroids. 2007 Apr. PMID 17298837. doi:10.1016/j.steroids.2006.11.026.
Hill M, Lukác D, Lapcík O, Sulcová J, Hampl R, Pouzar V, Stárka L (April 1999). Age relationships and sex differences in serum levels of pregnenolone and 17-hydroxypregnenolone in healthy subjects. In: Clinical Chemistry and Laboratory Medicine. 37 (4): 439–447. doi:10.1515/CCLM.1999.072, PMID 10369116