title: The old knee in the young athlete: knowns and unknowns in the return to play conversation.
authors.affiliation: Aspetar Orthopaedic & Sports Medicine Hospital, Doha, Qatar Division of Physiotherapy, Linköping University, Linköping, Sweden School of Allied Health, La Trobe University, Melbourne, Victoria, Australia.
authors.forename: Clare L
authors.identifier: http://orcid.org/0000-0001-8102-3631
authors.initials: CL
authors.lastname: Ardern
authors.affiliation: Aspetar Orthopaedic & Sports Medicine Hospital, Doha, Qatar Centre for Mobility and Hip Health, University of British Columbia, Vancouver, British Columbia, Canada.
authors.forename: Karim M
authors.initials: KM
authors.lastname: Khan
mesh_terms: D056352:Athletes; D001265:Athletic Injuries; D003657:Decision Making; D006801:Humans; D007718:Knee Injuries / Q000503:physiopathology* / Q000628:therapy; D007719:Knee Joint / Q000473:pathology*; D010003:Osteoarthritis / Q000453:epidemiology; D000068958:Return to Sport; D012307:Risk Factors; D013178:Sports Medicine / Q000379:methods