REFERENCES
- Horn, D. and Siegel, A.: National survey of cytologic facilities. Cancer 11: 97–100 (May-June) 1961.
- Statistical Abstract of the United States for 1961, United States Department of Commerce, Bureau of Census.
- Kaiser, R. F., Erickson, C. C., Everett, B. E., Jr., Gilliam, A. G., Graves, L. M., Walton, M. and Sprunt, D. H.: Initial effect of community-wide cytologic screening on clinical stage of cervical cancer detected in an entire community. Results of Memphis-Shelby County, Tennessee, study. J. Nat. Cancer Inst. 25: 863–881 (October) 1960.
- Nieburgs, H. E., Stergus, I., Stephenson, E. M. and Harbin, B. L.: Mass screening of the total female population of a county for cervical carcinoma. J.A.M.A. 164: 1546–1551 (August 3) 1957.
- American Cancer Society: NORC Interview Study of A.C.S. Professional Education Program, National Opinion Research Center, University of Chicago. Report No. 73, January 1960, pp. 1–61.