Crohn's disease and sarcoidosis.
D000818:Animals; D002465:Cell Movement; D003424:Crohn Disease / Q000150:complications* / Q000209:etiology / Q000276:immunology; D006168:Guinea Pigs; D006801:Humans; D007111:Immunity, Cellular; D007962:Leukocytes / Q000276:immunology; D008198:Lymph Nodes / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D051379:Mice; D012507:Sarcoidosis / Q000150:complications* / Q000276:immunology; D012882:Skin Tests