Russian scientists have created a bacterial strain and a corresponding vaccine for animals that protects simultaneously against salmonellosis and colibacillosis, reports the official website of the ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 77, No. 4, [Part 2: Biological Sciences] (Apr., 1980), pp. 1768-1772 (5 pages) The ability of indole derivatives ...
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