Leff J, Wig NN, Bedi H, Menon DK, Kuipers L, Korten A, Ernberg G, Day R, Sartorius N, Jablensky A. Relatives' expressed emotion and the course of schizophrenia in Chandigarh. A two-year follow-up of a first-contact sample. Br J Psychiatry. 1990 Mar 1 ; 156():351-6. Pubmed Abstract