RT Journal Article SR Electronic T1 Doctor's perception on bacterial vaginosis in Portugal: prevalence, diagnostic methods and choice of treatment JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 421 OP 421 DO 10.1136/sextrans-2012-050598 VO 88 IS 6 A1 Henriques, Ana Filipa A1 Martinez-de-Oliveira, Jose A1 Cerca, Nuno YR 2012 UL http://sti.bmj.com/content/88/6/421.abstract AB