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 273 OP 273 DO 10.1783/147118908786000415 VO 34 IS 4 A1 Malcolm Potts A1 Martha M Campbell YR 2008 UL http://jfprhc.bmj.com/content/34/4/273.2.abstract AB