Barbara de Graaff

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A prospective longitudinal study on the development of children of drug-dependent mothers who used combinations of cocaine, heroin and methadone during pregnancy was carried out in Amsterdam. The children and a contrast reference group were followed from birth to the age of 5 1/2 years. Cognitive functioning was assessed at 3 1/2, four, 4 1/2 and 5 1/2(More)
BACKGROUND Injections of mixtures prepared from crushed tablets contain insoluble particles which can cause embolisms and other complications. Although many particles can be removed by filtration, many injecting drug users do not filter due to availability, cost or performance of filters, and also due to concerns that some of the dose will be lost. (More)
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