Graffy, J., Bower, P., Ward, E., Wallace, P., Delaney, B., Kinmonth, A., . . . Miller, J. (2010). Trials within trials? Researcher, funder and ethical perspectives on the practicality and acceptability of nesting trials of recruitment methods in existing primary care trials. BioMed Central.

Graffy, Jonathan, Peter Bower, Elaine Ward, Paul Wallace, Brendan Delaney, Ann-Louise Kinmonth, David Collier, und Julia Miller. Trials Within Trials? Researcher, Funder and Ethical Perspectives On the Practicality and Acceptability of Nesting Trials of Recruitment Methods in Existing Primary Care Trials. BioMed Central, 2010.

Graffy, Jonathan, et al. Trials Within Trials? Researcher, Funder and Ethical Perspectives On the Practicality and Acceptability of Nesting Trials of Recruitment Methods in Existing Primary Care Trials. BioMed Central, 2010.