Investigation and analysis of vitamin A,D and E of school-aged children in Jiamusi
WANG Li-min, WANG Wen-juan, ZHANG Xue-ling, LI Chun-yu, WANG Yu, LIU Jie-wei
journal1 . 2017, (7): 728 -730 .  DOI: 10.11852/zgetbjzz2017-25-07-23