@ARTICLE{
author={Mitic Snezana S,Miletic Gordana Z,Petrovic AN,Tosic Snezana B},
year={2004},
title={Kinetic determination of histidine in pharmaceutical sample},
journal={OXIDATION COMMUNICATIONS},
volume={27},
number={2},
pages={453-462},
document_type={Article},
} 

@ARTICLE{
author={Mitic Snezana S,Miletic Gordana Z,Petrovic AN,Tosic Snezana B},
year={2002},
title={A kinetic determination of lysine in pharmaceutical sample},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={67},
number={11},
pages={783-792},
document_type={Article},
}