title: Longitudinal dimensionality of adolescent psychopathology: testing the differentiation hypothesis.
authors.affiliation: Psychology Department, University of North Carolina, Chapel Hill, NC 27599-3270, USA. ssterba@email.unc.edu
authors.forename: Sonya K
authors.initials: SK
authors.lastname: Sterba
authors.forename: William
authors.initials: W
authors.lastname: Copeland
authors.forename: Helen L
authors.initials: HL
authors.lastname: Egger
authors.forename: E
authors.initials: E
authors.lastname: Jane Costello
authors.forename: Alaattin
authors.initials: A
authors.lastname: Erkanli
authors.forename: Adrian
authors.initials: A
authors.lastname: Angold