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) Yaqiong Tian and Shangyingying Li and Fei Yang and Li Yang and Ling Liu and Wen Gao and Shengfen Tu,The median efective concentration of ropivacaine for ultrasound-guided caudal block in children : a dose-fnding study,Journal of anesthesia,09138668,[Tokyo] : [Springer Japan],2024,38,2,179-184,https://cir.nii.ac.jp/crid/1520863102435792896,