The Young Netherlands Twin Register (YNTR): longitudinal twin and family studies in over 70,000 children.
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van Beijsterveldt CE, et al. Among authors: middeldorp cm.
Twin Res Hum Genet. 2013 Feb;16(1):252-67. doi: 10.1017/thg.2012.118. Epub 2012 Nov 28.
Twin Res Hum Genet. 2013.
PMID: 23186620