Development of a quality assessment tool for systematic reviews of observational studies (QATSO) of HIV prevalence in men having sex with men and associated risk behaviours
William CW Wong, Catherine SK Cheung, Graham J HartVolume:
5
Language:
english
DOI:
10.1186/1742-7622-5-23
Date:
December, 2008
File:
PDF, 171 KB
english, 2008