Authors: VANDEGOOR LAM GARRETSEN HFL KAPLAN C KORF D SPRUIT IP DEZWART WM

Citation: Lam. Vandegoor et al., RESEARCH METHODS FOR ILLEGAL DRUG-USE IN HIDDEN POPULATIONS - SUMMARYREPORT OF A EUROPEAN INVITED EXPERT MEETING, Journal of psychoactive drugs, 26(1), 1994, pp. 33-40