RT Journal Article SR Electronic T1 Reply JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 135 OP 135 DO 10.1783/jfp.34.2.135b VO 34 IS 2 A1 Isabel B Draper YR 2008 UL http://jfprhc.bmj.com/content/34/2/135.2.abstract AB