Social Research The University of Michigan Ann Arbor / College Students / The University of Michigan Institute / National Institute / University of Michigan / /
Organization
Questionnaire Administration / National Institute on Drug Abuse / National Institute of Health / The University of Michigan Institute for Social Research Sponsored / Institute for Social Research / the University of Michigan / University of Michigan Ann Arbor / /
Person
John E. Schulenberg / Malley / Lloyd D. Johnston / Jerald G. Bachman / /