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Twinning Frequencies in Baden-Württemberg According to Parental Age And Birth Order. Comparison between 1955-59 and 1968-72

Published online by Cambridge University Press:  01 August 2014

Peter Propping*
Affiliation:
Department of Human Genetics, University of Heidelberg, German Federal Republic
Jens Krüger
Affiliation:
Department of Human Genetics, University of Heidelberg, German Federal Republic
*
Department of Human Genetics, im Neuenheimer Feld 338, D-69 Heidelberg, German Federal Republic

Abstract

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Type
The Twinning Phenomenon
Copyright
Copyright © The International Society for Twin Studies 1974