(Q52871180)
Statements
Temporal and social contexts of heroin-using populations. An illustration of the snowball sampling technique. (English)
Temporal and Social Contexts of Heroin-Using Populations An Illustration of the Snowball Sampling Technique (English)
0 references
Kaplan CD
Korf D
Sterk C
1 September 1987
September 1987
0 references
175
9
566-574