1. Modern Drug Encyclopedia, 13th ed, A. J. Lewis. Dun-Donnelly, New York, New York 1975; 712
2. Physicians' Desk Reference, 30th ed. Medical Economics Company, Oradell, N. J. 1976; 591
3. Plasma propranolol levels in adults With observations in four children
4. Methodology for Analytical Toxicology, I. Sunshine. CRC Press, Cleveland, Ohio 1975; 328