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author={Raicevic Maja,Filipovic I,Sindjic-Antunovic Sanja M},
year={2017},
title={Hernia of the umbilical cord associated with a patent omphalomesenteric duct},
journal={JOURNAL OF POSTGRADUATE MEDICINE},
volume={63},
number={1},
pages={58-59},
document_type={Article},
} 

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author={Tomasevic Zorica I,Jelic Svetislav B,Nikolic L,Filipovic I,Stamatovic Ljiljana,Radosavljevic Davorin Z},
year={2003},
title={Negative CEA values in metastatic colorectal carcinoma and the likelihood of complete chemotherapy response},
journal={INTERNATIONAL JOURNAL OF BIOLOGICAL MARKERS},
volume={18},
number={1},
pages={28-32},
document_type={Article},
}