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Preventive Medicine  2021, Vol. 33 Issue (3): 259-263    DOI: 10.19485/j.cnki.issn2096-5087.2021.03.010
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Electronic cigarette use among adolescents in Ningxia Hui Autonomous Region
LI Yanni*, GUAN Suzhen, HE Baofu, MA Yuqin
*Tobacco Control and Surveillance Division, Health Education Center of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750011, China