APA citiranje

Kirkham, J., Boers, M., Tugwell, P., Clarke, M., & Williamson, P. (2013). Has the rheumatoid arthritis (RA) core outcome set influenced the selection of study outcome measures? BioMed Central.

Citação norma Chicago

Kirkham, Jamie, Maarten Boers, Peter Tugwell, Mike Clarke, and Paula Williamson. Has the Rheumatoid Arthritis (RA) Core Outcome Set Influenced the Selection of Study Outcome Measures? BioMed Central, 2013.

MLA citiranje

Kirkham, Jamie, et al. Has the Rheumatoid Arthritis (RA) Core Outcome Set Influenced the Selection of Study Outcome Measures? BioMed Central, 2013.