title: A new sign (Fries' knees) for early detection of inflammation of the knee joint.
authors.forename: J F
authors.initials: JF
authors.lastname: Fries
mesh_terms: D001168:Arthritis / Q000175:diagnosis*; D006801:Humans; D007719:Knee Joint; D010329:Patella; D012881:Skin Temperature; D013997:Time Factors