^Herbai G. Separation of growth inhibiting potency from oestrogenicity in different weak oestrogenic drugs of various chemical structures. Acta Endocrinologica. October 1971, 68 (2): 249–63. PMID 5171465. doi:10.1530/acta.0.0680249.
Note: Though not listed here, many anabolic steroids can also be estrogenic as they can be aromatized into estrogen-like metabolites that possess estrogenic activity.