Wamble DE, Ciarametaro M, Houghton K, Ajmera M, Dubois RW. What's been the bang for the buck? Cost-effectiveness of health care spending across selected conditions in the US. Health Aff (Millwood). 2019 Jan;38(1):68-75. doi: 10.1377/hlthaff.2018.05158.
Merrill RM, Madanat H, Kelley AT, Layton JB. Nurse and physician patient counseling about tobacco smoking in Jordan. Promot Educ. 2008 Sep;15(3):9-14. doi: 10.1177/1025382308095649