Beard, D., Campbell, M., Blazeby, J., Carr, A., Weijer, C., Cuthbertson, B., . . . Cook, J. (2020). Considerations and methods for placebo controls in surgical trials (ASPIRE guidelines). Elsevier.
Citace podle Chicago (17th ed.)Beard, DJ, et al. Considerations and Methods for Placebo Controls in Surgical Trials (ASPIRE Guidelines). Elsevier, 2020.
Citace podle MLA (9th ed.)Beard, DJ, et al. Considerations and Methods for Placebo Controls in Surgical Trials (ASPIRE Guidelines). Elsevier, 2020.
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