Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
GOTTIFRIED E. B.,Pneumoperitoneum following percutaneous endoscopic gastrostomy : A prospective study,Gastrointest Endosc,,,1986,32,,397,https://cir.nii.ac.jp/crid/1570572699637986048,