1. Issues and recommendations for the recruitment and retention of older ethnic minority adults into clinical research;Arean;Journal of Consulting and Clinical Psychology,1996
2. The Practice of Nursing Research: Conduct, Critique, & Utilization;Burns,1997
3. Recruitment rates in gerontological research: the situation for drug trials in dementia may be worse than previously reported;Cohen-Mansfield;Alzheimer Disease and Associated Disorders,2003
4. Recruiting African American older adults for a community-based health promotion intervention: which strategies are effective?;Coleman;American Journal of Preventive Medicine,1997
5. ComputersScope Ltd. and others, 2002. NUA Internet surveys. Available from: URL: http://www.nua.ie/surveys/