Psychosocial variables in a cohort of students in grades 8 and 11: a comparison of current and never smokers.
Psychosocial variables in a cohort of students in grades 8 and 11: a comparison of current and...
Koval, John J; Pederson, Linda L; Chan, Stella S H
2005-03-08 00:00:00
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngPreventive MedicinePubmedhttp://www.deepdyve.com/lp/pubmed/psychosocial-variables-in-a-cohort-of-students-in-grades-8-and-11-a-aRKjmiow8o
Psychosocial variables in a cohort of students in grades 8 and 11: a comparison of current and never smokers.
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