RT Journal Article SR Electronic T1 A levonorgestrel releasing intrauterine system was more cost effective than was hysterectomy for menorrhagia JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 127 OP 127 DO 10.1136/ebm.6.4.127 VO 6 IS 4 YR 2001 UL http://ebm.bmj.com/content/6/4/127.abstract AB