Insufficient fetal fraction of cell-free DNA in non-invasive prenatal testing: Not always true

Wan, JH; Li, FT; Li, R; Zhong, HZ; Li, DZ

Li, DZ (corresponding author), Guangzhou Med Univ, Guangzhou Women & Childrens Med Ctr, Guangzhou, Guangdong, Peoples R China.

EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY, 2021; 261 (): 246