The requirements of rats for methyl groups and vitamin B12 in the production of leucocytes.
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D000818:Animals; D045728:Corrinoids; D006397:Hematinics; D007962:Leukocytes; D051381:Rats; D014805:Vitamin B 12; D014803:Vitamin B Complex
D045728:Corrinoids; D006397:Hematinics; D014803:Vitamin B Complex; D014805:Vitamin B 12