Although pancreatic cancer samples showed a trend towards decreasing levels of amino acids, including leucine, isoleucine, valine, and alanine [ 67 ], an increase in amino acid levels was observed in saliva.
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Although pancreatic cancer samples showed a trend towards decreasing levels of amino acids, including leucine, isoleucine, valine, and alanine [ 67 ], an increase in amino acid levels was observed in saliva.