Seasonality in twin birth rates, Denmark, 1936-84. | Journal of Epidemiology & Community Health

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Seasonality in twin birth rates, Denmark, 1936-84.

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Cite this article as:: Bonnelykke B, Søgaard J, Nielsen J

Seasonality in twin birth rates, Denmark, 1936-84.

Journal of Epidemiology & Community Health 1987;41:338-343.