Gonadotropin-releasing hormone receptor mutations in ageing men.

Tommiska J Faculty of Medicine, Department of Physiology, University of Helsinki, Helsinki, Finland.
Känsäkoski J Faculty of Medicine, Department of Physiology, University of Helsinki, Helsinki, Finland.
Pitteloud N Endocrinology, Diabetes and Metabolism Service, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland.
Wu F Centre for Endocrinology and Diabetes, Institute of Human Development, Faculty of Medical and Human Sciences, University of Manchester, Manchester, United Kingdom.
Raivio T Faculty of Medicine, Department of Physiology, University of Helsinki, Helsinki, Finland. taneli.raivio@helsinki.fi.