*Paul. L. Gendler, Harold A. Duhan, Henry Rapoport, "Hemopyrrols and Kryptopyrrole are absent from the Urine of Schizophrenics and normal persons", Clin. Chem 24/2, 230-233 (1978) | *Paul. L. Gendler, Harold A. Duhan, Henry Rapoport, "Hemopyrrols and Kryptopyrrole are absent from the Urine of Schizophrenics and normal persons", Clin. Chem 24/2, 230-233 (1978) |