词组短语
sub-saharan africa撒哈拉以南非洲
权威例句
High levels of human immunodeficiency virus type 1 in blood and semen of seropositive men in sub-Saharan Africa.Exporting raises productivity in sub-Saharan African manufacturing firmsEarly mortality among adults accessing antiretroviral treatment programmes in sub-Saharan AfricaA climate-based distribution model of malaria transmission in sub-Saharan Africa.Patterns and Correlates of Bird Migrations in Sub-Saharan AfricaEducational level is associated with condom use within non-spousal partnerships in four cities of sub-Saharan Africa.Condom use and its association with HIV/sexually transmitted diseases in four urban communities of sub-Saharan AfricaConcurrent sexual partnerships and HIV prevalence in five urban communities of sub-Saharan Africa.Condom use and its association with HIV/sexually transmitted diseases in four urban communities of sub-Saharan Africa.Male circumcision and HIV infection in four cities in sub-Saharan Africa