1. AGHAJANIAN, G.K., ACTION OF PSYCHOTOGENIC DRUGS ON SINGLE MIDBRAIN RAPHE NEURONS, JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS 171: 178 (1970).
2. DAHLSTROM, A, ACTA PHYSIOLOGICA SCANDINAVICA 62 232: 1 (1964).
3. DALGLIESH, C. E., ADVANCES IN CLINICAL CHEMISTRY 1: 193 (1958).
4. Dement, W., Schizophrenics: Current Concepts and Research: 775 (1969).
5. ENGELMAN, K, NEW ENGLAND JOURNAL OF MEDICINE 277: 1103 (1967).