RICHARDS, Louise G.
The epidemiology of drug abuse : current issues / Louise G. Richards, Louise B. Blevens . - Maryland : National Institute on Drug Abuse, 1977 . - X, 259 p.; 23 cm . - 'NIDA, Research Monograph Series'EPIDEMIOLOGIA / ESTUDOS / TRATAMENTO / PROGRAMAS DE TRATAMENTO / EUA / DRO30