BACKGROUND:Chlamydia causes infertility and increases risk of HIV infection. and population-based studies provide essential information for effective infection control and prevention. This study examined Chlamydia trachomatis prevalence and risk factors among a representative sample of 18-49-year-old residents in Hong Kong. METHODS:Census boundary map of 412 constituency areas was use... https://www.footballmediaservices.com/product-category/fuel-hose/