Analysis of distribution and trend of current smoking among middle and high school students in 12 schools in Haidian district from 2008 to 2016
SHEN Yan-hui, GUO Xin, LI Gang , PU Yong-lan, HUANG Na, LI Hai-sheng, JIANG Chu, SHEN Yuan
journal1 . 2019, (7): 803 -806 .  DOI: 10.11852/zgetbjzz2018-1125


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