BMC Public Health

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Estimating the regional distribution of men who have sex with men (MSM) based on Internet surveys

Ulrich Marcus*, Axel J Schmidt, Osamah Hamouda and Michael Bochow

  • * Corresponding author: Ulrich Marcus marcusu@rki.de

  • † Equal contributors

BMC Public Health 2009, 9:180 doi:10.1186/1471-2458-9-180

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