6 Friedrichs, K. O., Mathematical Aspects of the Quantum Theory of Fields (New York: Interscience, 1953). 7Friedrichs, K. O., Lectures, Summer Conference on Mathematics and Modern Physical Theories, Boulder (1960). 8 Schwartz, J., Mass Renormalization and Spectral Shifts, N.Y.U. Research Report (1960). 9 Friedrichs, K. O., "Spectral theory of operators in Hilbert space," N.Y.U. lecture notes (1...

CHLORDIAZEPOXIDE hydrochloride, "Librium", was discovered in the Roche Research Laboratories a few years ago. It is 7-Chloro-2-methylamino-5phenyl-3H-1, 4-benzo diazapine and is structurally unrelated to any other psychotropic drug. It has been found to be an effective drug with a general lack of severe side effects in the treatment of anxiety, either occurring alone, or complicating a variety ...