@ARTICLE{
author={Niksic Snezana B,Deretic VI,Radivojevic-Pilic Gordana,Ewers E,Merkas M,Ziegler M,Liehr Thomas},
year={2010},
title={Trisomy 21 with a Small Supernumerary Marker Chromosome Derived From Chromosomes 13/21 and 18},
journal={BALKAN JOURNAL OF MEDICAL GENETICS},
volume={13},
number={1},
pages={55-58},
document_type={Article},
} 

@ARTICLE{
author={Liehr Thomas,Wegner RD,Stumm M,Joksic Gordana,Polityko A,Kosyakova N,Ewers E,Reich D,Wagner R,Weise A},
year={2008},
title={Pallister-killian Syndrome: Rare Phenotypic Features And Variable Karyotypes},
journal={BALKAN JOURNAL OF MEDICAL GENETICS},
volume={11},
number={2},
pages={65-67},
document_type={Article},
}