Genetic and environmental influences on cross-gender behavior and relation to behavior problems: a study of Dutch twins at ages 7 and 10 years

Archives of Sexual Behavior (2006) - Comment
pubmed: 17109235 doi: 10.1007/s10508-006-9072-0 issn: 0004-0002 issn: 1573-2800

C. E. M. Van Beijsterveldt, James J. Hudziak, Dorret I. Boomsma