title: Prevalence of Trichinella spiralis in commerical pork sausage.
mesh_terms: D004196:Disease Outbreaks; D005513:Food Inspection; D005516:Food Microbiology; D005519:Food Preservation; D007484:Iowa; D008460:Meat; D014234:Trichinella / Q000302:isolation & purification*; D014481:United States