@article{90b3df8486b641a1beb44a466eff1a5c,
title = "Using parental ratings to study the etiology of 3-year-old twins' problem behaviors: different views or rater bias?",
author = "\{van der Valk\}, J.C. and \{van den Oord\}, E.J.C.G. and F.C. Verhulst and D.I. Boomsma",
year = "2001",
doi = "10.1111/1469-7610.00788",
language = "English",
volume = "42",
pages = "921--931",
journal = "Journal of Child Psychology and Psychiatry",
issn = "0021-9630",
publisher = "Wiley-Blackwell Publishing Ltd",
number = "7",
}