Estradiol in non-oral hormonal contraception: a “long and winding road” Posted on 21 Febbraio 20196 Febbraio 2020 by admin Grandi G, Barra F, Ferrero S, Facchinetti F. Estradiol in non-oral hormonal contraception: a “long and winding road”. Expert Rev Endocrinol Metab 201);14:153-155.https://www.tandfonline.com/doi/full/10.1080/17446651.2019.1604217