Experiment of a novel four-spherical intrauterine contraceptive device with nickel-titanium

JOURNAL ARTICLE published 20 October 2020 in Clinical Journal of Obstetrics and Gynecology

Authors: Yu Jian-Chun | Zhang Mei-Hua | Yu Ling | Zhai Li-Ping | Song Xia | Dong Fang-Di | Qiu Yi