Results from 2 proof-of-concept, placebo-controlled studies of atomoxetine in children with attention-deficit/hyperactivity disorder. - Spencer,T.; Heiligenstein,J.H.; Biederman,J.; Faries,D.E.; Kratochvil,C.J.; Conners,C.K.; Potter,W.Z. (J Clin Psychiatry, 2002)