上海市杨浦区职校学生吸烟现状及影响因素分析
郑薇薇,夏蒨,韩雪,顾颖强
Investigation on smoking status and influencing factors among vocational school students in Yangpu District, Shanghai
ZHENG Wei-wei, XIA Qian, HAN Xue, GU Yin-qiang
中国校医 . 2019, (1): 15 -17 .