基于倾向性得分配比的兰州地区汉族、回族乳母 母乳宏量营养素的比较
张永花, 王克玲, 石影, 王春萍
Comparison of milk components between Han and Hui nationalities in Lanzhou based on propensity score matching
ZHANG Yong-hua, WANG Ke-ling, SHI Ying, WANG Chun-ping
中国儿童保健杂志
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2021, (7): 794
-797
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DOI: 10.11852/zgetbjzz2020-1459
