title: Management of refractory pre-menstrual syndrome using subcutaneous oestradiol implants and levonorgestrel intrauterine systems.
authors.affiliation: Department of Obstetrics and Gynaecology, Singleton Hospital, Swansea, UK.
authors.forename: J W
authors.initials: JW
authors.lastname: Barrington
authors.forename: A
authors.initials: A
authors.lastname: O'Leary
authors.forename: P
authors.initials: P
authors.lastname: Bowen-Simpkins