Notes. Data are for plasma/serum unless otherwise indicated. αIn plasma/serum or urine. βIn plasma/serum, red blood cells, or brain tissues. γIn red blood cell membrane. δIn plasma/serum, red blood cells, platelets, or postmortem brain. εIn blood, plasma, cerebrospinal fluid, or red blood cells. θIn exhaled air. λIn urine or postmortem brain. μAcute relapse of psychosis. νDrug-naïve first-episode psychosis. πStable medicated outpatients. σChronic inpatients. Abbreviations: PUFAs = polyunsaturated fatty acids. NO = nitric oxide. N.S. = not significant.