Historique
PIJLMAN F. T. A. ;
S. M. RIGTER ;
J. HOEK ;
H. M. J. GOLDSCHMIDT ;
R. J. M. NIESINK
|
2005
Périodique
Périodique
The 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 [...]
