TY - JOUR KW - Animals KW - Anti-Inflammatory Agents KW - Crohn Disease KW - Granuloma KW - Guinea Pigs KW - leprosy KW - Mice KW - Sarcoidosis KW - Skin Tests KW - Steroids BT - Lancet (London, England) C1 - http://www.ncbi.nlm.nih.gov/pubmed/4193573?dopt=Abstract DA - 1970 Jul 25 IS - 7665 J2 - Lancet LA - eng PY - 1970 EP - 193 T2 - Lancet (London, England) TI - A etiology of Crohn's disease. VL - 2 SN - 0140-6736 ER -