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2. Oestrogens and Progesterone in plasma and milk of post-partum dairy cattle;Pope,1982
3. Endocrine relationship during late gestation and parturition in the cow;Hoffmann,1977
4. Nachweis einer illegalen Anabolikabehandlung mit den körpereigenen Hormonen Testosteron und Östradiol;Rattenberger;Arch. Lebensmittelhyg,1989
5. Microtitre plate enzyme immunoassay of oestradiol-17β;Maurel;J. Steroid biochem.,1986