TY  - GEN
AU  - van der Valk,J C
AU  - Verhulst,F C
AU  - Stroet,T M
AU  - Boomsma,D I
TI  - Quantitative genetic analysis of internalising and externalising problems in a large sample of 3-year-old twins
SN  - 1369-0523
PY  - 1999///0311
KW  - Child Behavior
KW  - Child Behavior Disorders
KW  - genetics
KW  - Child, Preschool
KW  - Diseases in Twins
KW  - Female
KW  - Genetics, Behavioral
KW  - Humans
KW  - Internal-External Control
KW  - Male
KW  - Models, Genetic
KW  - Models, Psychological
KW  - Twins
KW  - psychology
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Twin Study
UR  - https://doi.org/10.1375/136905298320566456
ER  -