A cautionary note regarding count models of alcohol consumption in randomized controlled trials

N. J. HORTON ; E. KIM ; R. SAITZ | 2007
Dans BMC Medical Research Methodology (Vol.7, n°9, February 2007) Article : Périodique

BACKGROUND: Alcohol consumption is commonly used as a primary outcome in randomized alcohol treatment studies. The distribution of alcohol consumption is highly skewed, particularly in subjects with alcohol dependence. METHODS: In this paper, we[...]

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Correlation of methamphetamine results and concentrations between head, axillary and pubic hair

E. HAN ; W. YANG ; J. LEE ; Y. PARK ; E. KIM ; M. LIM ; H. CHUNG | 2005
Périodique

ENGLISH : This study was designed to compare the qualitative results and concentrations of methamphetamine (MA) and its metabolite amphetamine (AP) in head hair and hair collected from different parts of the body (axillae and pubis). Hair from[...]

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The prevalence of MDMA/MDA in both hair and urine in drug users

E. HAN ; W. YANG ; J. LEE ; Y. PARK ; E. KIM ; M. LIM ; H. CHUNG | 2005
Périodique

ENGLISH : The prevalence and age distribution of 3,4-methylenedioxymethamphetamine (MDMA) and 3,4-methylenedioxyamphetamine (MDA) in hair samples by gas chromatography/mass spectrometry (GC/MS) were studied. The recoveries obtained from hair w[...]

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