RT Journal Article SR Electronic T1 Bacterial vaginosis: not a risk factor for preterm birth? JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 547 OP 547 VO 54 IS 504 A1 Hans Verstraelen A1 Stijn Vansteelandt A1 Marleen Temmerman YR 2004 UL http://bjgp.org/content/54/504/547.1.abstract AB