APA Citation

Piper, M. E., Smith, S. S., Schlam, T. R., Fiore, M. C., Jorenby, D. E., Fraser, D., & Baker, T. B. (2009). A randomized placebo-controlled clinical trial of five smoking cessation pharmacotherapies.

Citação norma Chicago

Piper, Megan E., Stevens S. Smith, Tanya R. Schlam, Michael C. Fiore, Douglas E. Jorenby, David Fraser, and Timothy B. Baker. A Randomized Placebo-controlled Clinical Trial of Five Smoking Cessation Pharmacotherapies. 2009.

MLA Citation

Piper, Megan E., et al. A Randomized Placebo-controlled Clinical Trial of Five Smoking Cessation Pharmacotherapies. 2009.

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