title: What twin studies of adolescent behavior can teach us about shared environmental and genetic risk.
authors.affiliation: Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC.
authors.forename: Krista B
authors.initials: KB
authors.lastname: Highland
authors.affiliation: Departments of Oncology and Pediatrics, Georgetown University School of Medicine, Washington, DC; Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC.
authors.forename: Kenneth P
authors.initials: KP
authors.lastname: Tercyak
mesh_terms: D003075:Coitus; D005260:Female; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders