Schütze N, Vollmer G, Knuppen R. Travanj 1994. Catecholestrogens are agonists of estrogen receptor dependent gene expression in MCF-7 cells. J. Steroid Biochem. Mol. Biol. 48 (5–6): 453–61. doi:10.1016/0960-0760(94)90193-7. PMID8180106
Schütze N, Vollmer G, Knuppen R. Travanj 1994. Catecholestrogens are agonists of estrogen receptor dependent gene expression in MCF-7 cells. J. Steroid Biochem. Mol. Biol. 48 (5–6): 453–61. doi:10.1016/0960-0760(94)90193-7. PMID8180106