RT Journal Article SR Electronic T1 Early laparoscopic cholecystectomy appears better than delayed laparoscopic cholecystectomy for patients with acute cholecystitis JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 28 OP 28 DO 10.1136/ebmed-2015-110332 VO 21 IS 1 A1 Kurinchi Gurusamy YR 2016 UL http://ebm.bmj.com/content/21/1/28.abstract AB