Hersey JC, Cates SC, Blitstein JL, Kosa KM, Santiago Rivera OJ, Contreras DA, Long VA, Singh A, Berman DA. Eat Smart, Live Strong intervention increases fruit and vegetable consumption among low-income older adults. J Nutr Gerontol Geriatr. 2015;34(1):66-80. doi: 10.1080/21551197.2015.1007199
Kosa KM, Cates SC, Godwin SL, Ball M, Harrison RE. Effectiveness of educational interventions to improve food safety practices among older adults. J Nutr Gerontol Geriatr. 2011;30(4):369-83. doi: 10.1080/21551197.2011.623943
Michels KB, Rothman KJ. Update on unethical use of placebos in randomised trials. Bioethics. 2003 Apr;17(2):188-204.