RT Journal Article SR Electronic T1 Proctoscopic Observations in Gastro-Intestinal Allergy JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 17 OP 20 VO 8 IS 1 A1 Thomas, J. Warrick A1 Renshaw, R. John F. YR 1941 UL http://www.ccjm.org/content/8/1/17.abstract AB