title: Intra-articular hyaluronic injection in knee osteoarthritis only effective thanks to the placebo effect].
authors.affiliation: 1 Institut für Hausarztmedizin, Horten-Zentrum für praxisorientierte Forschung und Wissenstransfer, Universitätsspital Zürich.
authors.forename: Stefan
authors.initials: S
authors.lastname: Zechmann
mesh_terms: D006801:Humans; D006820:Hyaluronic Acid / Q000008:administration & dosage*; D007270:Injections, Intra-Articular; D020370:Osteoarthritis, Knee / Q000188:drug therapy*; D015990:Placebo Effect
chemical_list: D006820:Hyaluronic Acid