Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Maruyama Masaru and Mori Takako and Saegusa Yoshinobu and Oda Fukumi and Nakabayashi Chihoko and Kobayashi Teruaki and Kujime Kousei and Hashimoto Naoaki and Nosohara Yuka and Suzuki Hiroyuki and Shimomura Yoshihiro,Does the Changing Position at Abdominal Ultrasonography Reduce the Physical Load of the Ultrasonographer?—second report—,Japanese Journal of Medical Ultrasound Technology,1881-4506,Japanese Society of Sonographers,2016,41,6,651-658,https://cir.nii.ac.jp/crid/1390282680256228224,https://doi.org/10.11272/jss.41.651