APA

Guida M., Bifulco G., Di Spiezio Sardo A., Scala M., Fernandez L. M. S. & Nappi C. (20110405). Review of the safety, efficacy and patient acceptability of the combined dienogest/estradiol valerate contraceptive pill. : International journal of women's health.

Chicago

Guida Maurizio, Bifulco Giuseppe, Di Spiezio Sardo Attilio, Scala Mariamaddalena, Fernandez Loredana Maria Sosa and Nappi Carmine. 20110405. Review of the safety, efficacy and patient acceptability of the combined dienogest/estradiol valerate contraceptive pill. : International journal of women's health.

Harvard

Guida M., Bifulco G., Di Spiezio Sardo A., Scala M., Fernandez L. M. S. and Nappi C. (20110405). Review of the safety, efficacy and patient acceptability of the combined dienogest/estradiol valerate contraceptive pill. : International journal of women's health.

MLA

Guida Maurizio, Bifulco Giuseppe, Di Spiezio Sardo Attilio, Scala Mariamaddalena, Fernandez Loredana Maria Sosa and Nappi Carmine. Review of the safety, efficacy and patient acceptability of the combined dienogest/estradiol valerate contraceptive pill. : International journal of women's health. 20110405.