has subject area Adult Aged Aged, 80 and over Arthroplasty, Replacement, Knee Cytokines Disease Progression Female Flow Cytometry Humans Leukocyte Elastase Macrophages Male Middle Aged Neutrophils Osteoarthritis Osteoarthritis, Knee Synovial Fluid Synovial Membrane T-Lymphocytes Transforming Growth Factor beta1
