title: [Usual back pain?].
authors.forename: Andreas
authors.initials: A
authors.lastname: Stiebler
mesh_terms: D001022:Aortic Valve Insufficiency / Q000175:diagnosis*; D064131:Back Muscles / Q000473:pathology; D002481:Cellulitis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004452:Echocardiography; D017548:Echocardiography, Transesophageal; D004697:Endocarditis, Bacterial / Q000175:diagnosis*; D005335:Fever of Unknown Origin / Q000209:etiology*; D006801:Humans; D017116:Low Back Pain / Q000209:etiology*; D008159:Lumbar Vertebrae / Q000473:pathology; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged