Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) CURCILLO PG,Single-port-access (SPA(TM)) cholecystectomy : a multi-institutional report of the first 297 cases,Surg Endosc.,,,2010,24,,1854-1860,https://cir.nii.ac.jp/crid/1572261549900771968,