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pro vyhledávání: '"Problème européen (C.E.E.)"'
Autor:
Lucien Richou-Bac
Publikováno v:
Bulletin de l'Académie Vétérinaire de France. 136:57-72
The use of anabolic hormones in animal production raises great problems in european countries. The E.E.C. directive 81/602 of July 31, 1981 has forbidden stilbenes and put under considerations the anabolic compounds : estradiol 170, progesterone, tes