Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BIRNBAUM RS,Changes in IGF-I and II expression and secretion during the proliferation and differentiation of normal rat osteoblast,J Endocrinology,,,1995,144,,251-259,https://cir.nii.ac.jp/crid/1572824499682620032,