Walker, J., & Sharpe, M. (2011). Recruiting and retaining medical patients in trials of complex interventions: Practical experience of challenges and solutions in three multi-centre trials. BioMed Central.
Citação norma ChicagoWalker, Jane, and Michael Sharpe. Recruiting and Retaining Medical Patients in Trials of Complex Interventions: Practical Experience of Challenges and Solutions in Three Multi-centre Trials. BioMed Central, 2011.
Citação norma MLAWalker, Jane, and Michael Sharpe. Recruiting and Retaining Medical Patients in Trials of Complex Interventions: Practical Experience of Challenges and Solutions in Three Multi-centre Trials. BioMed Central, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.