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MacKinnon DP, Fritz MS, Williams J, Lockwood CM.MacKinnon DP, et al. Among authors: lockwood cm.Behav Res Methods. 2007 Aug;39(3):384-9. doi: 10.3758/bf03193007.Behav Res Methods. 2007.PMID: 17958149Free PMC article.
Lockwood CM, DeFrancesco CA, Elliot DL, Beresford SA, Toobert DJ.Lockwood CM, et al.J Am Diet Assoc. 2010 May;110(5):753-62. doi: 10.1016/j.jada.2010.02.005.J Am Diet Assoc. 2010.PMID: 20430137Free PMC article.