Cross-sectional study on serum vitamin A level in children aged 0 to 16 years in different ages
ZHANG Xu-guang, CHEN Yan-ping, CHEN Dong-kai, ZHANG Dong-mei, LIU Li, JING Hong, HOU Shao-ying
journal1 . 2019, (11): 1215 -1218 .  DOI: 10.11852/zgetbjzz2018-1314


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