REFERENCES
- Rigler, L. G.: Roentgen examination of the cheat; its limitations in diagnosis of disease. J.A.M.A. 142: 773–777 (March 18) 1950.
- Garland, L. H.: On the scientific evaluation of diagnostic procedures. Radiology 52: 309–328 (March) 1949.
- McDonald, J. R.: Personal communication to the author.
- Needham, G. M.: Personal communication to the author.