Investigation on present condition and needs of the prenatal care for pregnant women in Tianjin
GENG Zhijie, YUAN Xiaohua, JIA Hong, GENG Xiuchen, TIAN Li
天津护理 . 2019, (2): 150 -153 .  DOI: 10.3969/j.issn.1006-9143.2019.02.007