RT Journal Article SR Electronic T1 The National Chlamydia Screening Programme and the NICE guidance on one-to-one interventions: remember the under-25s JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 171 OP 171 DO 10.1136/sti.2007.025213 VO 83 IS 2 A1 Ian Simms A1 Teresa Battison A1 Mary Macintosh A1 Sarah Randall A1 Jan Clarke YR 2007 UL http://sti.bmj.com/content/83/2/171.1.abstract AB