Synovial membrane punch biopsy.
D001168:Arthritis / Q000175:diagnosis*; D001706:Biopsy; D003095:Collagen Diseases / Q000175:diagnosis*; D006801:Humans; D013583:Synovial Membrane / Q000473:pathology*
ARTHRITIS/diagnosis; BIOPSY; COLLAGEN DISEASES/diagnosis; SYNOVIAL MEMBRANE/pathology