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    • Cobalt and Copper in Ruminant Nutrition - Nature

      Nature· 5 days ago

      AS the successful use of supplements containing cobalt for the prevention of bush sickness in stock has given rise to a considerable amount of publicity in which the original source of information ...

    • Autres Mondes - Nature

      Nature· 5 days ago

      WHETHER the author of this small volume thought that the sequence of the subjects dealt with was really quite unimportant, or whether no order at all was ...