Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) LUDER HU,"Cellular stages in cartilage formation as revealed by morphometry, radioautography and type II collagen immunostaining of the mandibular condyle from weanling rats",Am J Anat,,,1988,182,,197-214,https://cir.nii.ac.jp/crid/1570572700704597632,