Kirkham, J. J., Clarke, M., & Williamson, P. R. (2017). A methodological approach for assessing the uptake of core outcome sets using ClinicalTrials.gov: Findings from a review of randomised controlled trials of rheumatoid arthritis. BMJ.
Chicago-tyylinen lähdeviittausKirkham, Jamie J., Mike Clarke, ja Paula R. Williamson. "A Methodological Approach for Assessing the Uptake of Core Outcome Sets Using ClinicalTrials.gov: Findings From a Review of Randomised Controlled Trials of Rheumatoid Arthritis." BMJ 2017.
MLA-viiteKirkham, Jamie J., Mike Clarke, ja Paula R. Williamson. "A Methodological Approach for Assessing the Uptake of Core Outcome Sets Using ClinicalTrials.gov: Findings From a Review of Randomised Controlled Trials of Rheumatoid Arthritis." BMJ 2017.