著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) VESTERGAARD EM,Reference values and biological variation for tumor marker CA19-9 in serum for different Lewis and secretor genotypes and evaluation of secretor and Lewis genotyping in a Caucasian population,Clin Chem,,,1999,45,,54-61,https://cir.nii.ac.jp/crid/1574231875279767808,