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Kappenschneider T, Maderbacher G, Weber M, Greimel F, Holzapfel D, Parik L, Schwarz T, Leiss F, Knebl M, Reinhard J, Schraag AD, Thieme M, Turn A, Götz J, Zborilova M, Pulido LC, Azar F, Spörrer JF, Oblinger B, Pfal- zgraf F, Sundmacher L, Iashchenko I, Franke S, Trabold B, Michalk K, Grifka J, Meyer M. Special orthopaedic geriatrics (SOG) – a new multiprofessional care model for elderly patients in elective orthopaedic surgery: a study protocol for a prospective randomized controlled trial of a multimodal intervention in frail patients with hip and knee replacement. BMC Musculoskelet Disord. 2022; 23(1): 1079.