[Antibody production by E. coli 0111: B4 endotoxin in germ-free and conventional rats].
D000818:Animals; D000917:Antibody Formation; D004731:Endotoxins / Q000276:immunology*; D004926:Escherichia coli; D005856:Germ-Free Life; D008297:Male; D010510:Periodontal Diseases / Q000276:immunology; D051381:Rats; D011919:Rats, Inbred Strains
D004731:Endotoxins