National trends in drug use and related factors among American high school students and young adults, 1975-1986 / by Lloyd D. Johnston, Patrick M. O'Malley, Jerald G. Bachman.
Rockville, Md. : National Institute on Drug Abuse, U.S. Dept. of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration ; Washington, DC : For sale by the Supt. of Docs., U.S. G.P.O., 1987. xiv, 265 p. : ill., 2 maps ; 23 cm.