M. Abraham

PLACES OF DRUG PURCHASE IN THE NETHERLANDS

M. Abraham, 2000 .

Comparative cannabis use data

P. D. Cohen, M. Abraham, D. Beukenhorst, 2001, British Journal of Psychiatry.

Licit and illicit drug use in Amsterdam, 1987 to 2001: developments of drugs use in Amsterdam, as measured in five population surveys between 1987 and 2001.

P. D. Cohen, M. Abraham, H. Kaal, 2003 .

Licit and illicit drug use in Amsterdam III: developments in drug use 1987 - 1997 / Manja D. Abraham, Peter D.A. Cohen, Roelf-Jan Van Til, & Marieke P.S. Langemeijer

P. D. Cohen, M. Abraham, R. V. Til, 2000 .

Illicit Drug Use, Urbanization, and Lifestyle in the Netherlands

M. Abraham, 1999 .

Licit and Illicit Drug Use in the Netherlands, 1997

P. D. Cohen, M. Abraham, R. V. Til, 1999 .

Safety and Security in Nightlife Areas in the Netherlands

M. Galetzka, Peter W. Vries, M. Abraham, 2021 .