APA (7th ed.) Citation

Knebel, P., Schwan, K., Bruckner, T., Seiler, C., Plaschke, K., Streitberger, K., . . . Bopp, C. (2011). Double-blinded, randomized controlled trial comparing real versus placebo acupuncture to improve tolerance of diagnostic esophagogastroduodenoscopy without sedation: A study protocol. Trials, 12, . https://doi.org/10.1186/1745-6215-12-52

Chicago Style (17th ed.) Citation

Knebel, Phillip, Katja Schwan, Thomas Bruckner, Christoph Seiler, Konstanze Plaschke, K. Streitberger, Anja Schaible, and Christian Bopp. "Double-blinded, Randomized Controlled Trial Comparing Real Versus Placebo Acupuncture to Improve Tolerance of Diagnostic Esophagogastroduodenoscopy Without Sedation: A Study Protocol." Trials 12 (2011). https://doi.org/10.1186/1745-6215-12-52.

MLA (9th ed.) Citation

Knebel, Phillip, et al. "Double-blinded, Randomized Controlled Trial Comparing Real Versus Placebo Acupuncture to Improve Tolerance of Diagnostic Esophagogastroduodenoscopy Without Sedation: A Study Protocol." Trials, vol. 12, 2011, https://doi.org/10.1186/1745-6215-12-52.