Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HADLOCK FP,"Estimation of fetal weight with the use of head, body, and femur measurements-a prospective study",Am J Obstet Gynecol,,,1985,151,,333-337,https://cir.nii.ac.jp/crid/1571980076142800512,