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Lee C, Kim KH, Cohen P
It has changed my life
Uses: Treat B12 deficiency (pernicious anemia, malabsorption, certain diets/drugs)
have raised hopes for possible reclassification, although no changes have occurred yet
A peptide is a short sequence of amino acids, which are the building blocks of proteins
US$ 23.90
US$ 20.45
US$ 26.17
