543.8 AVC 3rd ed. Ref.
Methods of vitamin assay
543.8 BAR Ref.
The microbiological assay of the vitamin B-complex and amino acids.
Practical methods for the microbiological assay of the vitamin B-complex and amino acids
543.8 BOO 2 cps.
its determination in biological materials /
543.8 DAN Ref.
Estimation of the vitamins /
Practical analytical methods for connective tissue proteins /
Analytical procedures for the determination of vitamins in multivitamin preparations.