AU - Iber FL TI - DIgestive system PT - JOUR DP - 1963 TA - Archives of Internal Medicine pages = {127}, VI - 111 IP - 1 AID - 10.1001/archinte.1963.03620250131030 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1963.03620250131030 SO - Archives of Internal Medicine January 1, 1963 111(1):127