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) WILLIS JB,Determination of metals in blood serum by atomic absorption spectroscopy. I. Calcium,Spectrochim Acta,,,1960,16,,259-272,https://cir.nii.ac.jp/crid/1574231875940511872,