title: Postmenopausal sex hormones: comparing apples and pears.
authors: Department of Cardiology 5F020, VU University Medical Center, De Boelenlaan 1117, 1081 HV, Amsterdam, the Netherlands, y.appelman@vumc.nl.
authors: Y
authors: Y
authors: Appelman
authors: C B
authors: CB
authors: Lambalk