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List of works by David Chyen

Sexual identity, sex of sexual contacts, and health-risk behaviors among students in grades 9-12--youth risk behavior surveillance, selected sites, United States, 2001-2009

scientific article published on June 10, 2011

Youth Risk Behavior Surveillance--United States, 2003 (Abridged).

scientific article published in October 2004

Youth risk behavior surveillance - United States, 2009.

scientific article published in June 2010

Youth risk behavior surveillance - United States, 2011

scientific article published on June 8, 2012

Youth risk behavior surveillance--United States, 2003.

scientific article

Youth risk behavior surveillance--United States, 2005.

scientific article published in September 2006

Youth risk behavior surveillance--United States, 2005.

scientific article published in June 2006

Youth risk behavior surveillance--United States, 2007.

scientific article

Youth risk behavior surveillance--United States, 2013.

scientific article published on June 2014

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