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Twinning rates by residence in Denmark 1978 to 1982
Scandinavian Journal of Social Medicine
|January 1, 1986
Abstract:
It has been suggested in the literature that twinning rates are reduced by psychosocial stress associated with urban life. No support for this hypothesis was found in a study based upon the 5,762 twins and 280,158 singletons that were born in Denmark in the period 1978 to 1982.
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