1. Ford JG, Howerton MW, Bolen S, Gary TL, Lai GY, Tilburt J, Gibbons MC, Baffi C, Wilson RF, Feuerstein CJ, Tanpitukpongse P, Powe NR, Bass EB: Knowledge and access to information on recruitment of underrepresented populations to cancer clinical trials. Evid Rep Technol Assess (Summ). 2005, 1-11. Available at:
http://archive.ahrq.gov/downloads/pub/evidence/pdf/recruitcantrials/recruit.pdf
2. Corbie-Smith G, Thomas SB, Williams MV, Moody-Ayers S: Attitudes and beliefs of African Americans toward participation in medical research. J Gen Intern Med. 1999, 14: 537-546. 10.1046/j.1525-1497.1999.07048.x.
3. UyBico SJ, Pavel S, Gross CP: Recruiting vulnerable populations into research: a systematic review of recruitment interventions. J Gen Intern Med. 2007, 22: 852-863. 10.1007/s11606-007-0126-3.
4. Herring P, Montgomery S, Yancey AK, Williams D, Fraser G: Understanding the challenges in recruiting blacks to a longitudinal cohort study: the Adventist health study. Ethn Dis. 2004, 14: 423-430.
5. Bell LS, Butler TL, Herring RP, Yancey AK, Fraser GE: Recruiting blacks to the Adventist health study: Do follow-up phone calls increase response rates?. Ann Epidemiol. 2005, 15: 667-672. 10.1016/j.annepidem.2005.02.003.