Cerebrospinal fluid homovanillic acid predicts behavioral response to stimulants in 45 boys with attention deficit/hyperactivity disorder - Castellanos,F.X.; Elia,J.; Kruesi,M.J.; Marsh,W.L.; Gulotta,C.S.; Potter,W.Z.; Ritchie,G.F.; Hamburger,S.D.; Rapoport,J.L. (Neuropsychopharmacology, 1996)