Study on breastfeeding difficulties and related influencing factors among infants aged 0~5 months
YE Fang, LIN Hong, CHEN Jie, LIU Fang, FAN Qin-ying, ZHANG Yong, WANG Lin
journal1 . 2018, (3): 290 -293 .  DOI: 10.11852/zgetbjzz2018-26-03-17