RT Journal Article SR Electronic T1 Blood Chemistry and the Gastrointestinal Tract JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 3 OP 8 VO 1 IS 2 A1 Haden, Russell L. YR 1932 UL http://www.ccjm.org/content/1/2/3.abstract AB