TY  - BOOK
AU  - Graff,Erik A.B.
AU  - Vermeer Adri
AU  - Heymans Hugo S A
AU  - Schuurman Martin I M
TI  - Down syndrome behind the dykes: research in the Netherlands 
SN  - 9053836101
AV  - WS107 
PY  - 1998///
CY  - Amsterdam
PB  - VU University Press
KW  - Down syndrome
N1  - Includes bibliographical references
ER  -