REFERENCES
- Mainland, Donald: Elementary Medical Statistics. Philadelphia, W. B. Saunders Company, 1952.
- Youden, W. J.: Statistical Methods for Chemists. New York, John Wiley & Sons, Inc., 1951.
- Levey, S. and Jennings, E. R.: Use of control charts in the clinical laboratory. Am. J. Clin. Path. 20:1059, 1950.
- Benanson, A. S., Thompson, H. L. and Klugerman, M. R.: Application of laboratory controls in clinical chemistry. Am. J. Clin. Path. 25:575, 1955.
- Croxton, F. E.: Elementary Statistics With Application in Medicine. New York. Prentice-Hall. Inc., 1953.