RT Journal Article SR Electronic T1 Desogestrel-only Pill (Cerazette) JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 162 OP 164 DO 10.1783/147118903101197593 VO 29 IS 3 YR 2003 UL http://jfprhc.bmj.com/content/29/3/162.abstract AB