
Auteur N. SIEGFRIED
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Documents disponibles écrits par cet auteur (2)

E. E. LUTGE ; A. GRAY ; N. SIEGFRIED | 2013
Dans Cochrane Database of Systematic Reviews (n°4, 2013) Article : PériodiqueBACKGROUND: The use of cannabis (marijuana) or of its psychoactive ingredient delta-9-tetrahydrocannabinol (THC) as a medicine has been highly contested in many settings.There have been claims that smoked or ingested cannabis, either in its natu[...]
C. D. H. PARRY ; A. BHANA ; PLUDDEMANN A. ; B. MYERS ; N. SIEGFRIED ; MOROJELE N. K. ; FLISHER A. J. ; N. J. KOZEL | 2002
PériodiqueENGLISH : Aims: To (1) describe the South African Community Epidemiology Network on Drug Use (SACENDU), (2) describe trends and associated consequences of alcohol and other drug (AOD) use in South Africa for January 1997 to December 1999 and ([...]