title: Synovial biopsy in the evaluation of nonrheumatic systemic diseases causing arthritis.
authors.forename: H Ralph
authors.initials: HR
authors.lastname: Schumacher
authors.forename: Lan X
authors.initials: LX
authors.lastname: Chen
authors.forename: Frank
authors.initials: F
authors.lastname: Pessler
mesh_terms: D001168:Arthritis / Q000209:etiology / Q000473:pathology*; D001707:Biopsy, Needle / Q000379:methods; D006651:Histocytochemistry; D006801:Humans; D013583:Synovial Membrane / Q000473:pathology*