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Article : Périodique
Aims: To investigate the temporal pattern of appearance of a new psychoactive substance (4-fluoroamphetamine) on the Dutch drug market, as well as its patterns of use and effects. Design: Data from the Drug Information and Monitoring System (DI[...]
Rapport
R. J. M. NIESINK ; M. P. PLANIJE ; S. RIGTER ; J. HOEK ; L. MOSTERT | Utrecht : Trimbos Instituut | 2001La principale question soulevée dans la présente étude est la suivante : quelle est la concentration en THC de l'herbe et du haschisch vendus dans les coffeeshops néerlandais. Parallèlement les auteurs se sont intéressés aux éventuels changement[...]
Périodique
W. WESTERA ; R. J. M. NIESINK | 2001This paper outlines and discusses the use of a self-contained multimedia training program that allows professionals to improve their scientific thinking and reasoning skills. In many domains, scientific research produces new knowledge and insigh[...]
Article : Périodique
BACKGROUND: A recent decline in MDMA-like substances in ecstasy tablets has been reported by a number of countries in the European Union. This study describes the instability of the ecstasy market in The Netherlands during 2008 and 2009, and inv[...]
Article : Périodique
Background and aims: In recent years, the prevalence of ecstasy use has increased in most European countries. Users can acquire information on ecstasy tablet composition through the internet. This study compares online information from two websi[...]Nouveauté
Article : Périodique
Rationale: Most studies on the subjective effects of ecstasy are based on the assumption that the substance that was taken is 3,4-methylenedioxymethamphetamine (MDMA). However, many tablets sold as ecstasy contain other substances and MDMA in va[...]
Article : Périodique
M. G. BOSSONG ; T. M. BRUNT ; J. P. VAN DIJK ; S. M. RIGTER ; J. HOEK ; H. M. J. GOLDSCHMIDT ; R. J. M. NIESINK |A new ecstasy-like substance, meta-chlorophenylpiperazine (mCPP), has been detected in street drugs in the Netherlands. Theoretically, mCPP possesses the potential to become a non-neurotoxic alternative for methylenedioxymethamphetamine (MDMA), [...]
Périodique
M. G. BOSSONG ; J. P. VAN DIJK ; R. J. M. NIESINK | 2005ENGLISH : Recently, two new ecstasy-like substances, methylone and mCPP, were found in street drugs in the Netherlands by the Drugs Information and Monitoring System (DIMS). Methylone (3,4-methylenedioxymethcathinone) is the main ingredient of[...]
Article : Périodique
Background and Aims: Between 2000 and 2005 the average percentage of Delta9-tetrahydrocannabinol (THC) in marijuana as sold in Dutch coffeeshops has increased substantially; the potency of domestic products (Nederwiet and Nederhasj) has particul[...]
Périodique
N. F. RAMSEY ; R. J. M. NIESINK ; J. M. VAN REE | 1993FRANÇAIS : Chez des rats traités à la morphine pendant leur vie foetale, on observe une augmentation de la vitesse d'autoadministration d'héroïne et de cocaïne. Ceci n'est pas du à une seule augmentation de l'activité motrice. Les doses d'héroï[...]
Périodique
PIJLMAN F. T. A. ; S. M. RIGTER ; J. HOEK ; H. M. J. GOLDSCHMIDT ; R. J. M. NIESINK | 2005The total concentration of THC has been monitored in cannabis preparations sold in Dutch coffee shops since 1999. This annual monitoring was issued by the Ministry of Health after reports of increased potency. The level of the main psychoactive [...]
Article : Périodique
ENGLISH: In The Netherlands, pharmaceutical-grade cultivated cannabis is distributed for medicinal purposes as commissioned by the Ministry of Health. Few studies have thus far described its therapeutic efficacy or subjective (adverse) effects [...]
