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) RONALD SCHONDORF and ROY FREEMAN,The Importance of Orthostatic Intolerance in the Chronic Fatigue Syndrome,The American Journal of the Medical Sciences,0002-9629,Elsevier BV,1999-02,317,2,117-123,https://cir.nii.ac.jp/crid/1363670319029253248,https://doi.org/10.1097/00000441-199902000-00006