Core data for epidemiological studies on nonmedical drug use /
Core data for epidemiological studies on nonmedical drug use /
P. H. Hughes ... [et al.]
- Geneva : World Health Organization, 1980.
- 100 p.
- WHO offset publication ; no. 56 .
eng fre.
9241700564
Substance abuse--epidemiology.
Substance-related disorders--epidemiology.
Data collection--methods.
WM 270
eng fre.
9241700564
Substance abuse--epidemiology.
Substance-related disorders--epidemiology.
Data collection--methods.
WM 270