Cite
MLA Citation
David F Archer et al.. “Efficacy of the 1-year (13-cycle) segesterone acetate and ethinylestradiol contraceptive vaginal system: results of two multicentre, open-label, single-arm, phase 3 trials.” Lancet, vol. 7, no. 8, 2019, pp. e1054–e1064. http://access.bl.uk/ark:/81055/vdc_100087054929.0x000004