(Q45275960)
Statements
1 reference
Studying crack abusers: strategies for recruiting the right tail of an ill-defined population (English)
Lewis C
1 reference
Johnson BD
1 reference
Golub A
1 reference
Dunlap E
1 reference
1 October 1992
1 reference
1 reference
24
1 reference
4
1 reference
323-336
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference