Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KERBS VE,Arthroscopic resection of an extrasynovial ossifying chondroma of the infrapatellar fat pad: end stage Hoffa's Disease?,Arthroscopy,,,1994,10,,184-187,https://cir.nii.ac.jp/crid/1570291224863436032,