Niakan G, Ebrahimpour M, Allahqoli L, Hassanlouei B, et al. Response: A randomized, double-blind, placebo-controlled pilot study of the
comparative effects of dienogest and the combined oral contraceptive pill in
women with endometriosis. Int J Gynaecol Obstet 2022 Apr 27. doi: 10.1002/ijgo.14202.
PMID: 35474459