University of Michigan, Ann Arbor.
Department of Family Medicine, University of Michigan Medical School, Ann Arbor.
JAMA Pediatr. 2020 Aug 1;174(8):800-802. doi: 10.1001/jamapediatrics.2020.0491.
This mixed-methods cohort study uses responses to text-messaged, open-ended questions to examine US youths’ perceptions of Juul e-cigarettes.
这项混合方法的队列研究使用对短信的开放式问题的回复,来研究美国青少年对 Juul 电子烟的看法。