RT Journal Article SR Electronic T1 When should serum amylase and lipase levels be repeated in a patient with acute pancreatitis? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 230 OP 231 DO 10.3949/ccjm.77a.09083 VO 77 IS 4 A1 Yegneswaran, Balaji A1 Pitchumoni, C. S. YR 2010 UL http://www.ccjm.org/content/77/4/230.abstract AB