Bayray, Alemayehu Publications Risk Factors of Osteoporosis Among Adults in Ethiopia, The Case of Tigrai Region: A Case Control Study Costs of Osteoporosis Related Fractures in Hospital Admitted Patients, Tigrai, Northern Ethiopia: A Retrospective Study Magnitude and Pattern of Osteoporotic Fractures among Adults in Tigrai, Ethiopia: A Retrospective Hospital Based People | 24 April 2013 TwitterFacebookLinked in