TY  - JOUR
A1  - Dzúrová, D.
A1  - Pikhart, H.
T1  - Down syndrome, paternal age and education: comparison of California and the Czech Republic
Y1  - 2005
DO  - 10.1186/1471-2458-5-69
JF  - BMC Public Health 
VL  - 5
IS  - 69

ER  -