title: Incidence of Listeria monocytogenes in pasteurized ice cream and soft cheese in Costa Rica, 1992.
mesh_terms: D002611:Cheese / Q000382:microbiology*; D003364:Costa Rica; D004926:Escherichia coli / Q000302:isolation & purification*; D005516:Food Microbiology; D007054:Ice Cream / Q000382:microbiology*; D008089:Listeria monocytogenes / Q000302:isolation & purification*