National Communicable Disease Center: Morbidity and Mortality Weekly Report18: 329, 1969.
2.
Felix, A. and Pitt, R.M.: Virulence and immunogenic activities of B. typhosa in relation to its antigenic components. J. Hyg.35: 428, 1935.
3.
Lang, D.J., Kunz, L.J., Martin, A., Schroeder, S.A. and Thompson, L.A.: Carmine as a source of nosocomiol salmonellosis. New Eng. J. Med.276: 829, 1967.
4.
Komarmy, L.E. , Oxley, M.E. and Brecher, G.: Hospital-acquired salmonellosis traced to carmine dye capsules. Ibid.276: 850, 1967 .
5.
Feigin, R.D. , Klainer, A.S., Beisel, W.R. and Hornick, R.B.: Whole blood amino acids in experimentally induced typhoid fever in man. Ibid.278: 293, 1968 .
6.
Hornick, R.B. and Woodward, T.E.Typhoid fever. In Principles of Internal Medicine, Harrison, T. R., Adams, R. D., Bennett, I. L., Reshik, W. H., Thorn, G. W. and Wintrobe, M. M., eds. New York, McGraw Hill Book Company, 1966, pp. 1549-1556.
7.
Rosenthal, S.L. : Exacerbation of salmonella enteritis due to ampicillin. New Eng. J. Med.280: 147, 1969 .
8.
Aserkoff, B. and Bennett, J.V.: Effect of therapy in acute salmonellosis on salmonellae in feces. Ibid.281: 636, 1969 .
9.
Robertson, R.P. , Wahab, M.F.A. and Raasch, F.O.: Evaluation of chloramphenicol and ampicilliin in salmonella enteric fever. Ibid.278: 171, 1968 .
10.
The Medical Letter on Drugs and Therapeutics10: No. 13, 50, 1968.
11.
Hornick, R.B. , Woodward, T.E., McCrumb, F.R., Snyder, M.J., Dawkins, A.T., Bulkeley, J.T., Macorra, F. de la and Carozza , F.A.: Study of induced typhoid fever in man; I. evaluation of vaccine effectiveness. Trans. Assn. Amer. Physicians79: 361, 1966.
12.
Crjetanovic, B. and Uemura, K.: The present status of field and laboratory studies of typhoid and paratyphoid vaccines. Bul. W. H. O.32: 29, 1965.