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Chromatographic analysis of the carbohydrates extracted from the mammary gland of rats showed, besides the spots of glucose and lactose, those of two other carbohydrate derivatives (1).Malpress and Morrison (2) and Reithel et al. ( 3) have found components of similar chromatographic behavior in the mammary gland of guinea pigs.
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Trucco et al. (1954) studied this question.
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