RT Journal Article SR Electronic T1 Oral contraceptives and diabetes mellitus: an update JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 267 OP 267 DO 10.1783/147118906778586444 VO 32 IS 4 A1 Martin Vessey A1 David Yeates YR 2006 UL http://jfprhc.bmj.com/content/32/4/267.1.abstract AB