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    7.   The role of amino acids 2018-11-02
					
					
						
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    8.   The application of amino acids in medical treatment 2018-11-02
					
					
						
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    9.   The role of amino acids in human life activities 2018-11-02
					
					
						
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    10.   Amino acid metabolism pathway 2018-11-02
					
					
						
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