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.
Yuguero O, Ramon Marsal J, Esquerda M, Vivanco L, Soler-Gonzalez J. Association between low empathy and high burnout among primary care physicians and nurses in Lleida, Spain. Eur J Gen Pract. 2017 Dec;23(1):4-10. doi: 10.1080/13814788.2016.1233173
Maskey MK, Baral KP, Shah R, Shrestha BD, Lang J, Rothman KJ. Field test results of the motherhood method to measure maternal mortality. Ind Med Gaz. 2011 Jan 1;133(1):64-9.