By DiFranza J.R.   Coleman M.   St. Cyr D.   in Preventive Medicine

ISSN:0091-7435|29|5|321-326

Academic Press‎(1999)‎

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By DiFranza J.R.   Peck R.M.   Radecki T.E.   Savageau J.A.   in Preventive Medicine

ISSN:0091-7435|32|2|168-174

Academic Press‎(2001)‎

Access to resources Favorite 14.258164