title: Anew method of examining the stimulatory effect of Serratia marcescens endotoxin on non-specific resistance to infection.
mesh_terms: D000818:Animals; D004731:Endotoxins / Q000494:pharmacology*; D008297:Male; D051381:Rats; D012706:Serratia marcescens / Q000276:immunology*; D013268:Stimulation, Chemical; D014352:Trypanosomiasis / Q000276:immunology*
chemical_list: D004731:Endotoxins