title: Osteoarthritis: Probing knee OA as a system responding to a stimulus.
authors.forename: Thomas P
authors.initials: TP
authors.lastname: Andriacchi
mesh_terms: D018771:Arthralgia / Q000150:complications / Q000209:etiology / Q000473:pathology; D015415:Biomarkers / Q000378:metabolism; D042241:Early Diagnosis; D006801:Humans; D007719:Knee Joint / Q000473:pathology / Q000503:physiopathology; D008962:Models, Theoretical; D020370:Osteoarthritis, Knee / Q000150:complications* / Q000175:diagnosis / Q000209:etiology* / Q000378:metabolism; D013597:Systems Analysis
chemical_list: D015415:Biomarkers