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 Potts, Malcolm A1 Campbell, Martha M YR 2008 UL http://jfprhc.bmj.com/content/34/4/273.2.abstract AB