Dyfyniad APA

Chan, A., Tetzlaff, J., Gøtzsche, P., Altman, D., Mann, H., Berlin, J., . . . Moher, D. (2013). SPIRIT 2013 explanation and elaboration: Guidance for protocols of clinical trials.

Dyfyniad Arddull Chicago

Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.

Dyfyniad MLA

Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.

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