Cook, J., Julious, S., Sones, W., Rothwell, J., Ramsay, C., Hampson, L., . . . Vale, L. (2017). Choosing the target difference ('effect size') for a randomised controlled trial - DELTA(2) guidance protocol. BioMed Central.
Chicago-referens (17:e uppl.)Cook, JA, et al. Choosing the Target Difference ('effect Size') for a Randomised Controlled Trial - DELTA(2) Guidance Protocol. BioMed Central, 2017.
MLA-referens (9:e uppl.)Cook, JA, et al. Choosing the Target Difference ('effect Size') for a Randomised Controlled Trial - DELTA(2) Guidance Protocol. BioMed Central, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.