In vitro and in vivo anti-cancer effects of 2-ethyl-3-O-sulphamoyl-estra-1,3,5(10)15-tetraene-3-ol-17-one and 2-ethyl-3-O-sulphamoyl-estra-1,3,5(10)16-tetraene - Theron, A.E.; Prudent, R.; Viallet, J.; Martinez, A.; Prunier, C.; LafanechreL.; Joubert, A.M. (Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / South African Journal of Science and Technology, 2014)