1. HESTON, L.L., TRANSMISSION SCHIZOP: 363 (1968).
2. HOFFER, A, SCHIZOPHRENIA IN NAS-NRC PANEL OF 15,909 VETERAN TWIN PAIRS, ARCHIVES OF GENERAL PSYCHIATRY 23: 469 (1970).
3. KETY, S.S., TRANSMISSION SCHIZOP: 345 (1968).
4. MANDELL, A.J., BRAIN CHEMISTRY - SEARCH FOR SCHIZOCOCCUS, PSYCHOLOGY TODAY 6: 68 (1972).
5. MURPHY, D.L., AMERICAN JOURNAL OF PSYCHIATRY 128: 35 (1972).