Masuda, T., Matsuzaki, S., Takiuchi, T., Endo, M., Tomimatsu, T., & Kimura, T. (2017). Differential diagnosis of bilateral ovarian masses during pregnancy, and their hormonal effect. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(4), 1639–1642. https://doi.org/10.18203/2320-1770.ijrcog20171443