title: Collaborative role of macrophages in interactions between parental and F1 hybrid strain lymphocytes.
mesh_terms: D000818:Animals; D003348:Cortisone / Q000494:pharmacology; D005838:Genotype; D006087:Graft vs Host Reaction; D006824:Hybridization, Genetic; D008198:Lymph Nodes / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology*; D008264:Macrophages / Q000276:immunology*; D008297:Male; D051381:Rats; D013950:Thymus Gland / Q000276:immunology
chemical_list: D003348:Cortisone