1. McCoy, C. (2006). Writing clinical research protocols: Ethical considerations. Clinical Laboratory Science, 19(1), 60.
2. Draper, H., Wilson, S., Flanagan, S., & Ives, J. (2009). Offering payments, reimbursement and incentives to patients and family doctors to encourage participation in research. Family Practice, 26(3), 231–238.
3. Dickert, N. W., Halpern, S. D., & Butler, J. (2013). Incentivizing recruitment and retention to address enrollment challenges in clinical research. Circulation: Cardiovascular Quality and Outcomes, 6(3), 367–370.
4. https://www.nccn.org/patients/resources/clinical_trials/phases.aspx.
5. http://www.clinicalinformaticsnews.com/2018/03/05/eliminating-silos-dismantling-frankenstein-clinical-rnd.aspx.