Diagnosis and Treatment of Heterotopic Pregnancy
CHANG Xiao-ying, WANG Li-yan, SHEN Hao-fei, SONG Ji, XU Ling-bo, ZHANG Xue-hong
Journal of International Reproductive Health/Family Planning . 2021, (4): 344 -347 .  DOI: 10.12280/gjszjk.20200687