Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HEFER E. P.,Congenital idiopathic gingival fibromatosis in the deciduous dentition. Report of a case,Oral Surg Oral Med Oral Pathol,,,1967,24,,65-70,https://cir.nii.ac.jp/crid/1572261551137934208,