Cite
APA Citation
Keeley, T., Williamson, P., Callery, P., Jones, L., Mathers, J., Jones, J., Young, B., & Calvert, M. (2016). the use of qualitative methods to inform Delphi surveys in core outcome set development. Trials, 17(1), 1–9. http://access.bl.uk/ark:/81055/vdc_100080453978.0x0000de