Thalamic and amygdala-hippocampal volume reductions in first-degree relatives of patients with schizophrenia: an MRI-based morphometric analysis. - Seidman,L.J.; Faraone,S.V.; Goldstein,J.M.; Goodman,J.M.; Kremen,W.S.; Toomey,R.; Tourville,J.; Kennedy,D.; Makris,N.; Caviness,V.S.; Tsuang,M.T. (Biol Psychiatry, 1999)