_:Beec556e595c5bf7686ee3e6765bef164 _:B67d21b0425478dcc6584313fd85ac240 . _:Beec556e595c5bf7686ee3e6765bef164 "1993"^^ . _:Beec556e595c5bf7686ee3e6765bef164 _:B297b14d88b29acd0f32644bd1e4b749a . _:B297b14d88b29acd0f32644bd1e4b749a "Department of Human Geography, University of Amsterdam" . _:B297b14d88b29acd0f32644bd1e4b749a . "en" . . . . . . . . . . "Ten years of cocaine : a follow-up study of 64 cocaine users in Amsterdam / Peter Cohen, Arjan Sas" . . _:B8ae150bbd666ed93ea71ae7ffa34da78 . _:Beec556e595c5bf7686ee3e6765bef164 . . "Ten years of cocaine : a follow-up study of 64 cocaine users in Amsterdam" . . . "128"^^ . . . "9069930811" . . _:B67d21b0425478dcc6584313fd85ac240 "Amsterdam" . _:B67d21b0425478dcc6584313fd85ac240 . _:B8ae150bbd666ed93ea71ae7ffa34da78 . _:B8ae150bbd666ed93ea71ae7ffa34da78 "2021-10-11"^^ . _:B8ae150bbd666ed93ea71ae7ffa34da78 "1993-08-11"^^ . _:B8ae150bbd666ed93ea71ae7ffa34da78 . _:B8ae150bbd666ed93ea71ae7ffa34da78 . _:B8ae150bbd666ed93ea71ae7ffa34da78 "109748719" . _:B8ae150bbd666ed93ea71ae7ffa34da78 . _:B8ae150bbd666ed93ea71ae7ffa34da78 .