title: Etiological studies on a transmissible agent from sarcoid tissues using germ-free and nude mice.
mesh_terms: D000818:Animals; D005260:Female; D005856:Germ-Free Life; D006099:Granuloma / Q000209:etiology; D006801:Humans; D008198:Lymph Nodes / Q000032:analysis; D008297:Male; D051379:Mice; D008819:Mice, Nude; D012507:Sarcoidosis / Q000209:etiology* / Q000378:metabolism / Q000382:microbiology; D014020:Tissue Extracts
chemical_list: D014020:Tissue Extracts