Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
Galinksy J, Richard S, Morris M. Myeloma patients' self-reported experiences of care and treatment. Cancer Nurs Pract. 2016 Sep 14;15(7):22-6. doi: 10.7748/cnp.2016.e1341
Finkelstein EA, Kosa KM. Use of incentives to motivate healthy behaviors among employees. Gender issues. 2003 Jun;21(3):50-9. doi: 10.1007/s12147-003-0005-0