[Critical remarks on the use of urea in animal feed in the Federal Republic of Germany].
D000821:Animal Feed; D000818:Animals; D002417:Cattle; D005503:Food Additives; D005860:Germany, West; D014508:Urea
D005503:Food Additives; D014508:Urea
Kritische Betrachtungen zum Einsatz von Futterharnstoff in der Bundesrepublik Deutschland.