Billingham, S. A., Whitehead, A. L., & Julious, S. A. (2013). An audit of sample sizes for pilot and feasibility trials being undertaken in the United Kingdom registered in the United Kingdom Clinical Research Network database. BioMed Central.
Chicago ZitierstilBillingham, Sophie AM, Amy L. Whitehead, und Steven A. Julious. An Audit of Sample Sizes for Pilot and Feasibility Trials Being Undertaken in the United Kingdom Registered in the United Kingdom Clinical Research Network Database. BioMed Central, 2013.
MLA ZitierstilBillingham, Sophie AM, Amy L. Whitehead, und Steven A. Julious. An Audit of Sample Sizes for Pilot and Feasibility Trials Being Undertaken in the United Kingdom Registered in the United Kingdom Clinical Research Network Database. BioMed Central, 2013.