APP acid (pteroylglutamic acid) One ofthe water-soluble B-group of vitamins. Theprincipal dietary sources of folic acid areleafy vegetables,liver,and kidney. Defi-ciency of the vitamin exhibits itself in anemiain a similar manner to vitamin B12 deficien-cy,wh......（本文共 893 字） [阅读本文] >>
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