Effective Case-Finding of Osteoporosis in a Fracture and Osteoporosis Clinic in Groningen: an Analysis of the First 100 Patients - Hegeman, J H; Willemsen, G; van Nieuwpoort, J; Kreeftenberg, H G; van der Veer, E; Slaets, J P J; ten Duis, H J (Aktuelle Traumatologie, 2005)