00387cam a2200121 a 4500008004100000020002800041245006600069260003100135300003900166650001700205700002000222050002300242981112s1999    nyua     b    001 0 eng    a0471253901 (alk. paper)00aChemistry and biochemistry of B12 /cedited by Ruma Banerjee.  aNew York :bWiley,cc1999.  axxii, 921 p. :bill. (some col.) ; 0aVitamin B12.1 aBanerjee, Ruma.00aQP772.C9bC48 1999