title: The prepatent and patent periods of Fasciola hepatica in cattle in Puerto Rico.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000469:parasitology*; D005210:Fasciola hepatica / Q000502:physiology*; D005211:Fascioliasis / Q000469:parasitology / Q000662:veterinary*; D005243:Feces / Q000469:parasitology; D005260:Female; D010058:Oviposition; D010270:Parasite Egg Count; D011647:Puerto Rico; D013997:Time Factors