*Jacobson SJ, Rapoport H, Ellman, The nonoccurrence of hemo- and kryptopyrrole in urine of schizophrenics. Biol Psychiatry. 1975 Feb;10(1):91-3. | *Jacobson SJ, Rapoport H, Ellman, The nonoccurrence of hemo- and kryptopyrrole in urine of schizophrenics. Biol Psychiatry. 1975 Feb;10(1):91-3. |