title: Analgesic use and sex steroid hormone concentrations in postmenopausal women.
authors.affiliation: Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. nhmag@channing.harvard.edu
authors.forename: Margaret A
authors.initials: MA
authors.lastname: Gates
authors.forename: Shelley S
authors.initials: SS
authors.lastname: Tworoger
authors.forename: A Heather
authors.initials: AH
authors.lastname: Eliassen
authors.forename: Stacey A
authors.initials: SA
authors.lastname: Missmer
authors.forename: Susan E
authors.initials: SE
authors.lastname: Hankinson