Epidemiological methods for research with drug misusers: review of methods for studying prevalence and morbidity Métodos: epidemiológicos para pesquisa com usuários de drogas: revisão de métodos para estudo da prevalência e morbidade

• Päätekijät: John Dunn (Tekijä), Cleusa P. Ferri (Tekijä)
• Aineistotyyppi: Kirja
• Julkaistu: Universidade de São Paulo, 1999-04-01T00:00:00Z.
• Aiheet: article
• Linkit: Connect to this object online.

Epidemiological studies of drug misusers have until recently relied on two main forms of sampling: probability and convenience. The former has been used when the aim was simply to estimate the prevalence of the condition and the latter when in depth studies of the characteristics, profiles and behav...