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Martinez IL, Frick K, Glass TA, Carlson M, Tanner E, Ricks M, Fried LP.Martinez IL, et al. Among authors: fried lp.J Urban Health. 2006 Sep;83(5):941-53. doi: 10.1007/s11524-006-9058-1.J Urban Health. 2006.PMID: 16758336Free PMC article.