Quality antenatal care protects against low birth weight in 42 poor counties of Western China Zhou, Hong ; Wang, Anqi ; Huang, Xiaona ; Guo, Sufang ; Yang, Yuning ; Martin, Kathryn ; Tian, Xiaobo ; Josephs-Spaulding, Jonathan ; Ma, Chuyang ; Scherpbier, Robert W. ; Wang, Yan Abstract Publication: PLoS ONE Pub Date: January 2019 DOI: 10.1371/journal.pone.0210393 Bibcode: 2019PLoSO..1410393Z