1. BST —a safe, more plentiful milk supply,1990
2. The lactogenic preparations from the anterior pituitary and the increase of milk yield in cows;Asimov;J. Dairy Sci.,1937
3. Estimates of costs of producing milk in seven major milk producing countries, 1986;Baker,1990
4. Milk from bST-treated cows: composition and manufacturing properties;Barbano,1989
5. Bovine somatotropin: the Cornell experience;Bauman,1987