title: Age at first oral contraceptive use as a major determinant of vertebral bone mass in female endurance athletes.
authors.affiliation: Working Group MusculoSkeletal Interactions, Faculty of Sport Science, Technische Universität München, 80809 Munich, Germany. Manfred.Hartard@t-online.de
authors.forename: Manfred
authors.initials: M
authors.lastname: Hartard
authors.forename: Christine
authors.initials: C
authors.lastname: Kleinmond
authors.forename: Alexander
authors.initials: A
authors.lastname: Kirchbichler
authors.forename: Dieter
authors.initials: D
authors.lastname: Jeschke
authors.forename: Michael
authors.initials: M
authors.lastname: Wiseman
authors.forename: Ernst Rainer
authors.initials: ER
authors.lastname: Weissenbacher
authors.forename: Dieter
authors.initials: D
authors.lastname: Felsenberg
authors.forename: Reinhold G
authors.initials: RG
authors.lastname: Erben
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D015992:Body Mass Index; D015519:Bone Density / Q000187:drug effects* / Q000502:physiology; D003276:Contraceptives, Oral / Q000008:administration & dosage* / Q000494:pharmacology*; D005260:Female; D006801:Humans; D009929:Organ Size / Q000187:drug effects; D010807:Physical Endurance / Q000502:physiology*; D012189:Retrospective Studies; D013131:Spine / Q000033:anatomy & histology / Q000187:drug effects* / Q000378:metabolism; D013177:Sports / Q000502:physiology*; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral