共 24 条
- [21] SNELL EE, 1950, VITAMIN METHODS, V1, P328
- [22] HOMOGENEOUS ENZYME-LINKED ASSAY FOR VITAMIN-B12 [J]. ANALYTICAL CHEMISTRY, 1987, 59 (06) : 837 - 841
- [23] VISWANATHAN V, 1970, Journal of Pharmaceutical Sciences, V59, P400
- [24] ZETTNER A, 1973, CLIN CHEM, V19, P699