1. US Food and Drug Administration Methods for the Microbiological Analysis of Selected Nutrients;Angyal,1996
2. US Food and Drug Administration Methods for the Microbiological Analysis of Selected Nutrients;Angyal,1996
3. US Food and Drug Administration Methods for the Microbiological Analysis of Selected Nutrients;Angyal,1996
4. Folic acid (pteroyl-monoglutamic acid) in vitamin preparations, microbiological methods;AOAC,1995
5. Folic acid (pteroyl-monoglutamic acid) in infant formula, microbiological methods;AOAC,1995