Unprotected sex with main partner in relation to HIV among injecting drug users in Taiwan.

國立臺灣師範大學健康促進與衛生教育學系Lee, T.S.-H.2014-12-022014-12-022008-01-01http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/40454Unprotected sex with main partner in relation to HIV among injecting drug users in Taiwan.