上海市宝山区产妇泌乳Ⅱ期启动延迟发生现状及影响因素
黄海丽, 顾晓青, 封红伟
Status and influencing factors of delayed initiation of lactation phase Ⅱ in parturients in Baoshan District, Shanghai
HUANG Hai-li, GU Xiao-qing, FENG Hong-wei
华南预防医学
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2021, (12): 1493
-1496
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DOI: 10.12183/j.scjpm.2021.1493