“…The alteration in the immunoglobulin levels was attributed to immunological dysfunction in schizophrenia (Strahilevitz et al, 1976;Pulkkinen, 1977;Solntseva and Faktor, 1976;Crow et al, 1979 andStrahilevitz, 1979). The elevation of various immunoglobulins was considered as nonspecific alteration as similar changes were also seen in non-schizophrenic psychiatric patients (Solomon, et al, 1969;Galli, et al, 1972;Noeva and Manolova, 1976;and Fontana, et al, 1980).…”