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Results from the national school-based 1991 Youth Risk Behavior Survey and progress toward achieving related health objectives for the nation.

Publication details

Download	http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1403309
Repository	PubMed Central (PMC3 - NLM DTD) (United States)
Keywords	Research Article
Type	Text
Language	Englisch