Letters Randomised controlled trial exists of levonorgestrel intrauterine system for menorrhagia BMJ 1998; 317 doi: https://doi.org/10.1136/bmj.317.7167.1250 (Published 31 October 1998) Cite this as: BMJ 1998;317:1250 Article Related content Metrics Responses Peer review Related articles Paper Open randomised study of use of levonorgestrel releasing intrauterine system as alternative to hysterectomyCommentary: Promising results but wider recruitment needed Published: 11 April 1998; BMJ 316 doi:10.1136/bmj.316.7138.1122 See more Chemoprevention of colorectal cancer in individuals with previous colorectal neoplasia: systematic review and network meta-analysis BMJ December 05, 2016, 355 i6188; DOI: https://doi.org/10.1136/bmj.i6188 NHS to fund large trial of pre-exposure prophylaxis for HIV prevention BMJ December 05, 2016, 355 i6537; DOI: https://doi.org/10.1136/bmj.i6537 Bill to boost medical research funding and speed drug approval passes US house BMJ December 01, 2016, 355 i6498; DOI: https://doi.org/10.1136/bmj.i6498 Alpha blockers for treatment of ureteric stones: systematic review and meta-analysis BMJ December 01, 2016, 355 i6112; DOI: https://doi.org/10.1136/bmj.i6112 Sixty seconds on . . . solanezumab BMJ November 29, 2016, 355 i6389; DOI: https://doi.org/10.1136/bmj.i6389