Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HOWARD A. I.,Correlation between arthroscopic diagnosis of osteoarthritis and synovitis of the human temporomandibular joint and keratan sulfate levels in the synovial fluid,J Oral Maxillofac Surg,,,1998,56,,189-191,https://cir.nii.ac.jp/crid/1570291224770968192,