[Plastic foil as a foreign body in the proventriculi of cattle--a contribution on "environmental hygiene"].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D004787:Environmental Pollution; D005260:Female; D005547:Foreign Bodies / Q000662:veterinary*; D013279:Stomach, Ruminant
Plastikfolien als Fremdkörper in den Vormägen von Rindern--ein Beitrag zur "Umwelthygiene".