External fixator for trochanteric fractures in elderly high-risk patients Minimally invasive plate osteosynthesis in the treatment of multifragmentary fractures of the proximal tibia Management of comminuted tibial plateau fractures with external fixator using ligamentotaxis principle Four-corner arthrodesis using distal radius bone grafting Bisphosphonate therapy For children with osteogenesis imperfecta The Proximal Humeral Interlocking Osteosynthesis plate for three and four-part proximal humeral fractures Dega osteotomy for developmental dysplasia of the hip in walking children Early results of medial opening wedge high tibial osteotomy for osteoarthritis knee Treatment of Developmental Dysplasia of the Hip in Children by Medial Approach (Ludllof) Plate fixation versus non-operative treatment for displaced mid-shaft fracture clavicle in adults Arthrodesis and Modified Keller Interposition Arthroplasty in the Surgical Treatment of End-Stage Hallux Rigidus Ilizarov external fixator in the treatment of nonunion of the distal femur