title: Challenges to the measurement of oestradiol: comments on an endocrine society position statement.
authors.affiliation: Southern Cross Pathology Australia, Monash Medical Centre, Clayton Vic. 3168.
authors.forename: Julie D
authors.initials: JD
authors.lastname: Newman
authors.affiliation: ANZAC Research Institute, University of Sydney, Concord Hospital NSW 2139, Australia.
authors.forename: David J
authors.initials: DJ
authors.lastname: Handelsman