A. Theron, “<i>In vitro</i> and <i>in vivo</i> anti-cancer effects of 2-ethyl-3-<i>O</i>-sulphamoyl-estra-1,3,5(10)15-tetraene-3-ol-17-one and 2-ethyl-3-<i>O</i&gt;-sulphamoyl-estra-1,3,5(10)16-tetraene”, SATNT, vol. 33, no. 1, p. 1 bladsy, Sep. 2014.