Richard D. Todd

Latent class and factor analysis of DSM-IV ADHD: a twin study of female adolescents.

L. Bierut, K. Bucholz, A. Heath, 1998, Journal of the American Academy of Child and Adolescent Psychiatry.

Lack of association of dopamine D4 receptor gene polymorphisms with ADHD subtypes in a population sample of twins.

A. Heath, R. Todd, R. Neuman, 2001, American journal of medical genetics.

A twin study of inattentive, aggressive, and anxious/depressed behaviors.

M. Neale, A. Heath, R. Todd, 2000, Journal of the American Academy of Child and Adolescent Psychiatry.

Association of dopamine, serotonin, and nicotinic gene polymorphisms with methylphenidate response in ADHD

R. Todd, E. Lobos, A. Reiersen, 2008, American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics.

Mutational analysis of the nicotinic acetylcholine receptor alpha 4 subunit gene in attention deficit/hyperactivity disorder: evidence for association of an intronic polymorphism with attention problems

R. Todd, R. Neuman, E. Lobos, 2003, Molecular Psychiatry.