De Seta F, Restaino S, Banco R, Conversano E, De Leo R, Tonon M, Maso G, Barbati G, Lello S. Effects of estroprogestins containing natural estrogen on vaginal flora. Gynecol Endocrinol 2014;30(11):830-5.

De Seta F, Restaino S, De Santo D, Stabile G, Banco R, Busetti M, Barbati G, Guaschino S. Effects of hormonal contraception on vaginal flora. Contraception 2012;86(5):526-9.