Down syndrome. Seasonality and parity effects

Down syndrome. Seasonality and parity effects

BENGT KÄLLÉN, ANNA MÅSBÄCK
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Volume:
109
Year:
1988
Language:
english
Pages:
7
DOI:
10.1111/j.1601-5223.1988.tb00177.x
File:
PDF, 397 KB
english, 1988
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