RT Journal Article SR Electronic T1 Not all abdominal pain is gastrointestinal JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 29 OP 35 DO 10.3949/ccjm.83a.14082 VO 83 IS 1 A1 Mena Boules A1 Madonna Michael A1 Julietta Chang A1 Bruce Vrooman A1 Matthew Kroh A1 Maged Rizk YR 2016 UL http://www.ccjm.org/content/83/1/29.abstract AB