Drugs and American youth. : A report from the youth in transition project.

by Johnston, Lloyd
Published 1973

Highlights from Drug use among American high school students, 1975-1977 /

by Johnston, Lloyd
Published 1978

Highlights from Drugs and the class of '78 : behaviors, attitudes, and recent national trends /

by Johnston, Lloyd
Published 1979

Drugs and the class of '78 : behaviors, attitudes, and recent national trends /

by Johnston, Lloyd
Published 1979

1979 highlights : drugs and the nation's high school students : five year national trends /

by Johnston, Lloyd
Published 1980

Highlights from Drugs and American high school students, 1975-1983 /

by Johnston, Lloyd
Published 1984

Drugs and American high school students, 1975-1983 /

by Johnston, Lloyd
Published 1984

Use of licit and illicit drugs by America's high school students, 1975-1984 /

by Johnston, Lloyd
Published 1985

Drug use among American high school students, college students, and other young adults : national trends through 1985 /

by Johnston, Lloyd
Published 1986

National trends in drug use and related factors among American high school students and young adults, 1975-1986 /

by Johnston, Lloyd
Published 1987

Drug use, drinking, and smoking : national survey results from high school, college, and young adults populations, 1975-1988 /

by Johnston, Lloyd
Published 1989

Drug use among American high school seniors, college students, and young adults, 1975-1990 /

by Johnston, Lloyd
Published 1991

Smoking, drinking, and illicit drug use among American secondary school students, college students, and young adults, 1975-1991 /

by Johnston, Lloyd
Published 1992

National survey results on drug use from Monitoring the Future study, 1975-1992 /

by Johnston, Lloyd
Published 1993

Monitoring the future : national survey results on drug use, 1975-1999 /

by Johnston, Lloyd
Published 2000