Não informado. (1972). Bioresearch Today. Biosciences Information Service of Biological Abstracts.
Chicago-referens (17:e uppl.)Não informado. Bioresearch Today. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1972.
MLA-referens (8:e uppl.)Não informado. Bioresearch Today. Biosciences Information Service of Biological Abstracts, 1972.
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