APA-referens

Greenwald, B. D., Dumot, J. A., Horwhat, J. D., Lightdale, C. J., & Abrams, J. A. (2009). Safety, tolerability, and efficacy of endoscopic low-pressure liquid nitrogen spray cryotherapy in the esophagus.

Chicago-stil citat

Greenwald, Bruce D., John A. Dumot, J. David Horwhat, Charles J. Lightdale, och Julian A. Abrams. Safety, Tolerability, and Efficacy of Endoscopic Low-pressure Liquid Nitrogen Spray Cryotherapy in the Esophagus. 2009.

MLA-referens

Greenwald, Bruce D., et al. Safety, Tolerability, and Efficacy of Endoscopic Low-pressure Liquid Nitrogen Spray Cryotherapy in the Esophagus. 2009.

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