(Q33704436)
Statements
1 reference
Seasonal variation in the prevalence of Down syndrome at birth: a review (English)
1 reference
Zielhuis GA
1 reference
Jongbloet PH
1 reference
Gabreëls FJ
1 reference
Stolwijk AM
1 reference
1 August 1997
1 reference
1 reference
350-353
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference
1 reference