1. Norethindrone acetate or dienogest for the treatment of symptomatic endometriosis: a before and after study 
Paolo Vercellini, M.D., Benedetta Bracco, M.D., Paola Mosconi, Biol.Sci.D., Anna Roberto, Biol.Sci.D., Daniela Alberico, M.D., Dridi Dhouha, M.D., Edgardo Somigliana, M.D., Ph.D. 
Fertility and Sterility 
Volume 105, Issue 3, Pages e3 (March 2016)
DOI: /j.fertnstert
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1 Flowchart showing the women's progress through the study.
Fertility and Sterility  , e3DOI: ( /j.fertnstert )
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions