PT - JOURNAL ARTICLE AU - Susan Quilliam TI - Erectile difficulty AID - 10.1783/147118907779399701 DP - 2007 Jan 01 TA - Journal of Family Planning and Reproductive Health Care PG - 59--60 VI - 33 IP - 1 4099 - http://jfprhc.bmj.com/content/33/1/59.short 4100 - http://jfprhc.bmj.com/content/33/1/59.full SO - J Fam Plann Reprod Health Care2007 Jan 01; 33