RT Journal Article SR Electronic T1 Recurrent abdominal pain and vomiting JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 436 OP 440 DO 10.3949/ccjm.80a.12148 VO 80 IS 7 A1 Agito, Markus A1 Rizk, Maged YR 2013 UL http://www.ccjm.org/content/80/7/436.abstract AB