title: Psoriatic arthritis: results of light and electron microscopy after early and late synovectomy.
mesh_terms: D001168:Arthritis / Q000150:complications / Q000473:pathology*; D006801:Humans; D011565:Psoriasis / Q000150:complications* / Q000473:pathology; D013583:Synovial Membrane / Q000473:pathology* / Q000648:ultrastructure