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Anderson ES, Wojcik JR, Winett RA, Williams DM.Anderson ES, et al. Among authors: williams dm.Health Psychol. 2006 Jul;25(4):510-20. doi: 10.1037/0278-6133.25.4.510.Health Psychol. 2006.PMID: 16846326
Anderson ES, Winett RA, Wojcik JR, Williams DM.Anderson ES, et al. Among authors: williams dm.J Health Psychol. 2010 Jan;15(1):21-32. doi: 10.1177/1359105309342297.J Health Psychol. 2010.PMID: 20064881Clinical Trial.