Round, E. K., Chen, P., Taylor, A. K., & Schmidt, E. (2018). Biomarkers of Tobacco Exposure Decrease After Smokers Switch to an E-Cigarette or Nicotine Gum. Nicotine Tob Res.
Dyfyniad Arddull ChicagoRound, Elaine K., Peter Chen, Anthony K. Taylor, and Eckhardt Schmidt. "Biomarkers of Tobacco Exposure Decrease After Smokers Switch to an E-Cigarette or Nicotine Gum." Nicotine Tob Res 2018.
Dyfyniad MLARound, Elaine K., Peter Chen, Anthony K. Taylor, and Eckhardt Schmidt. "Biomarkers of Tobacco Exposure Decrease After Smokers Switch to an E-Cigarette or Nicotine Gum." Nicotine Tob Res 2018.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.