APA

Tonstad S., Gustavsson G., Kruse E., Walmsley J. M. & Westin Å. (20150506). Symptoms of nicotine toxicity in subjects achieving high cotinine levels during nicotine replacement therapy. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco.

Chicago

Tonstad Serena, Gustavsson Gunnar, Kruse Elisabeth, Walmsley James M and Westin Åke. 20150506. Symptoms of nicotine toxicity in subjects achieving high cotinine levels during nicotine replacement therapy. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco.

Harvard

Tonstad S., Gustavsson G., Kruse E., Walmsley J. M. and Westin Å. (20150506). Symptoms of nicotine toxicity in subjects achieving high cotinine levels during nicotine replacement therapy. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco.

MLA

Tonstad Serena, Gustavsson Gunnar, Kruse Elisabeth, Walmsley James M and Westin Åke. Symptoms of nicotine toxicity in subjects achieving high cotinine levels during nicotine replacement therapy. : Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco. 20150506.