(Q41546083)
Statements
1 reference
Incidence of Down's syndrome in Sweden during the years 1968-1977 (English)
Lindsten J
1 reference
Marsk L
1 reference
Berglund K
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Iselius L
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Ryman N
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Annerén G
1 reference
Kjessler B
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Mitelman F
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Nordenson I
1 reference
Wahlström J
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Vejlens L
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1 January 1981
1 reference
1 reference