By Rupp Heidi S.   Anderson Collin R.   in Journal of AOAC International

ISSN:1944-7922|88|2|505-510

AOAC International‎(2005)‎

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By Marks (Rupp) Heidi S   Anderson Collin R   in Journal of AOAC International

ISSN:1944-7922|89|6|1591-1599

AOAC International‎(2006)‎

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