Friedel A, Geyer H, Kamber M, Laudenbach-Leschowsky U, Schänzer W, Thevis M, et al. (June 2006). "Tetrahydrogestrinone is a potent but unselective binding steroid and affects glucocorticoid signalling in the liver". Toxicology Letters. 164 (1): 16–23. doi:10.1016/j.toxlet.2005.11.006. PMID16356667.
Friedel A, Geyer H, Kamber M, Laudenbach-Leschowsky U, Schänzer W, Thevis M, et al. (June 2006). "Tetrahydrogestrinone is a potent but unselective binding steroid and affects glucocorticoid signalling in the liver". Toxicology Letters. 164 (1): 16–23. doi:10.1016/j.toxlet.2005.11.006. PMID16356667.