title: Negative mood induction by progestagen is related to a history of premenstrual syndrome.
authors.affiliation: Address of presenting author: T. Bäckström, Department of Obstetrics and Gynaecology, Umeå University Hospital, S-901 85 Umeå, Sweden Torbjorn.Backstrom@Obstgyn.umu.se Telephone: +46 90 7850000; Fax: +46 90 773905
authors.initials: I
authors.lastname: Björn
authors.initials: M
authors.lastname: Bixo
authors.initials: K
authors.lastname: Nöjd-Strandberg
authors.initials: S
authors.lastname: Nyberg
authors.initials: T
authors.lastname: Bäckström