(Q39329283)
Statements
1 reference
A contagious disease model for researching and intervening in heroin epidemics (English)
1 reference
Hughes PH
1 reference
Crawford GA
1 reference
1 August 1972
1 reference
1 reference
27
1 reference
2
1 reference
149-155
1 reference
Identifiers
1 reference
1 reference