Genetic Analysis of Second Pregnancy with A Child of 21-Trisomy Syndrome in A Phenotypically Normal Mother

LIU Guo-zhong, HOU Hai-yan, CHANG Yu, HAO Chun-xia, SUI Li-ting

Journal of International Reproductive Health/Family Planning . 2024, (4): 305 -308 . DOI: 10.12280/gjszjk.20240067