Bone · 2009 · 76 citations · 27 references
MedicineOrthopedic SurgeryBone MetabolismWomen's HealthBone HealthFracture EvaluationFracture ManagementFracture PreventionFracture RiskOsteoporosisBisphosphonate Therapy ManagementBone Fracture RiskFragility Fracture PreventionOsteoporosis EpidemiologyOsteoporosis-related Fracture RiskPostmenopausal Fracture PreventionPostmenopausal Fracture RiskTreatment With Bisphosphonates
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Why we need observational studies to evaluate the effectiveness of health care
BMJ · 1996 · 1.6K citations