title: Valvular mechanisms in juxta-articular cysts.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000503:physiopathology*; D003560:Cysts / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging / Q000503:physiopathology*; D005082:Physical Exertion; D011312:Pressure; D011859:Radiography