Down syndrome livebirth rate in the eastern part of Switzerland between 1980 and 1996 stays constant in spite of growing numbers of prenatally diagnosed and subsequently terminated cases

Mutter, Michael; Binkert, Franz; Schinzel, Albert (2002). Down syndrome livebirth rate in the eastern part of Switzerland between 1980 and 1996 stays constant in spite of growing numbers of prenatally diagnosed and subsequently terminated cases. Prenatal Diagnosis, 22(9):835-836.