title: Delayed type hypersensitivity to tuberculin in young germ-free fowls.
mesh_terms: D000818:Animals; D002645:Chickens / Q000276:immunology*; D005856:Germ-Free Life; D006968:Hypersensitivity, Delayed; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007074:Immunoglobulin G / Q000032:analysis; D008214:Lymphocytes; D009132:Muscles / Q000473:pathology; D010950:Plasma Cells; D012867:Skin / Q000473:pathology; D013154:Spleen / Q000473:pathology; D014374:Tuberculin Test; D014379:Tuberculosis, Avian / Q000276:immunology / Q000473:pathology
chemical_list: D007074:Immunoglobulin G