RT Journal Article SR Electronic T1 Contamination of environmental surfaces by genital human papillomaviruses (HPV): a follow up study JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 426 OP 427 DO 10.1136/sti.79.5.426-a VO 79 IS 5 A1 Strauss, S A1 Stephen, H A1 Sonnex, C A1 Gray, J YR 2003 UL http://sti.bmj.com/content/79/5/426.2.abstract AB