Perski, O., Beard, E., & Brown, J. (2020). Association between changes in harm perceptions and e-cigarette use among current tobacco smokers in England: A time series analysis. BMC Med.
Citação norma ChicagoPerski, Olga, Emma Beard, and Jamie Brown. "Association between Changes in Harm Perceptions and E-cigarette Use Among Current Tobacco Smokers in England: A Time Series Analysis." BMC Med 2020.
MLA CitationPerski, Olga, Emma Beard, and Jamie Brown. "Association between Changes in Harm Perceptions and E-cigarette Use Among Current Tobacco Smokers in England: A Time Series Analysis." BMC Med 2020.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.