Multiple raters of disruptive child behavior: using a genetic strategy to examine shared views and bias.
Simonoff E, Pickles A, Hewitt J, Silberg J, Rutter M, Loeber R, Meyer J, Neale M, Eaves L. Multiple raters of disruptive child behavior: using a genetic strategy to examine shared views and bias. Behav Genet. 1995 Jul; 25(4):311-26.