Fig. 5From: Higher amoebic and metronidazole resistant forms of Blastocystis sp. seen in schizophrenic patientsa Protease activity and b Average protease activity of Blastocystis sp. isolates from schizophrenic individuals. The concentration of solubilised antigens was standardized to 0.1 mg/ml and trypsin (0.1 mg/ml) was used as a positive control. SZ Schizophrenic individuals, NS non-schizophrenic individualsBack to article page