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Hard-to-reach populations of men who have sex with men and sex workers: a systematic review on sampling methods
BACKGROUND: In public health, hard-to-reach populations are often recruited by non-probabilistic sampling methods that produce biased results. In order to overcome this, several sampling methods have been improved and developed in the last years. The aim of this systematic review was to identify all...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4627393/ https://www.ncbi.nlm.nih.gov/pubmed/26518345 http://dx.doi.org/10.1186/s13643-015-0129-9 |