title: Determination of the lethal dose of Trichinella spiralis for germfree mice.
mesh_terms: D000818:Animals; D005260:Female; D005856:Germ-Free Life; D007814:Larva / Q000254:growth & development; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains / Q000469:parasitology*; D051381:Rats; D014234:Trichinella / Q000472:pathogenicity*