New medical risks affecting obstetrics after implementation of the two-child policy in China
Crossref DOI link: https://doi.org/10.1007/s11684-017-0552-5
Published Online: 2017-09-30
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Li, Qiang
Deng, Dongrui
License valid from 2017-09-30