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) Maeda Kazuo,Experiences with the technique of ultrasonic Doppler method in obstetrics,Journal of the Japanese Obstetrical & Gynecological Society,03880486,Tokyo : Japanese Obstetrical & Gynecological Society,1968-07,15,3,135-142,https://cir.nii.ac.jp/crid/1521980705861947520,