RT Journal Article SR Electronic T1 Commentary on “Prevalence and risk factors for Chlamydia trachomatis infection among cross-border truck drivers in Hong Kong” JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 29 OP 30 DO 10.1136/sti.2008.033415 VO 85 IS 1 A1 William Sorensen YR 2009 UL http://sti.bmj.com/content/85/1/29.abstract AB