RT Journal Article SR Electronic T1 Urinary excretion of oxalate, calcium, magnesium, and uric acid in inflammatory bowel disease JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 109 OP 117 VO 41 IS 3 A1 Richard G. Farmer A1 Seid Hossein Mir-Madjlessi A1 William S. Kiser YR 1974 UL http://www.ccjm.org/content/41/3/109.abstract AB