By Duncan Mary   McIntosh Patricia   Stayton Catherine   Hall Charles   in Maternal and Child Health Journal

ISSN:1092-7875|10|5|443-449

Springer Publishing Company ‎(2006)‎

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By Stayton Catherine   McVeigh Katharine H.   Olson E. Carolyn   Perkins Krystal   Kerker Bonnie D.   in American Journal of Health Behavior

ISSN:1945-7359|35|6|654-663

PNG Publications‎(2011)‎

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