Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KITAGAWA Norihito and NAKAHIRA Kei and KOYANAGI Hiroshi and NAGASAWA Ichiro and HARANO Kiyoshi and TOTOKI Tadahide,Valsalva Maneuver Decreases the Overlap Between Internal Jugular Vein and Carotid Artery.,THE JOURNAL OF JAPAN SOCIETY FOR CLINICAL ANESTHESIA,0285-4945,THE JAPAN SOCIETY FOR CLINICAL ANESTHESIA,1998,18,7,653-657,https://cir.nii.ac.jp/crid/1390282679735786496,https://doi.org/10.2199/jjsca.18.653