Year	2011
Authors	Guan-Hua Huang ,Huang GH, Tsai HH, Hwu HG*, Chen CH, Liu CC, Hua MS, Chen WJ
Paper Title	Patient subgroups of schizophrenia based on the Positive and Negative Syndrome Scale: composition and transition between acute and subsided disease states.
Journal Title	Comprehensive Psychiatry 52(5):469-478
Date of Publication	2011-09-01