By Ariza Adolfo   Chen Edwin   Binns Helen   Christoffel Katherine   in Journal of Urban Health: Bulletin of the New York Academy of Medicine

ISSN:1099-3460|81|1|150-161

Springer Publishing Company ‎(2004)‎

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By Christoffel Katherine Kaufer   Wang Xiaobin   Binns Helen J.   in International Journal of Environmental Research and Public Health

ISSN:1660-4601|9|4|1227-1262

MDPI‎(2012)‎

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By Evans W. Douglas   Christoffel Katherine K.   Necheles Jonathan   Becker Adam B.   Snider Jeremy   in American Journal of Health Behavior

ISSN:1945-7359|35|2|189-198

PNG Publications‎(2011)‎

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By Schoenfelder Samantha   Wych Sadie   Willows Catherine   Harrington Joseph   Christoffel Katherine   Becker Adam   in Maternal and Child Health Journal

ISSN:1092-7875|17|9|1712-1717

Springer Publishing Company ‎(2013)‎

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