ABSTRACT
Read at the 123rd annual meeting of the American Psychiatric Association, San Francisco, Calif., May 1115, 1970.
Dr. Ketv is Professor of Psychiatry at Harvard Medi cal School and Director of the Psychiatric Research Laboratories, Massachusetts General Hospital, Boston, Mass. 02114. Drs. Rosenthal and Wender are with the National Institute of Mental Health, Bethesda, Md., where Dr. Rosenthal is Chief of the Laboratory of Psychology and Dr. Wender is Research Psychiatrist. Dr. Schulsinger is Director of the Psychiatric Service at the Kommunehospitalet, Copenhagen, Denmark.
