Thomson, S. (1954), The number of bacilli harboured by enteric carriers . J. Hyg. Camb.52, 67.
2.
Thomson, S. (1955). The number of pathogenic bacilli in faeces in intestinal disease. J. Hyg. Camb.53, 217.
3.
Mccoy, J.H. (1962). Salmonellae in crude sewage, sewage effluent, and sewage polluted natural waters. International J. Air & Water Poll. (in the press).
4.
Mccoy, J.H. (1962). The isolation of Salmonellae. J. App. Bact.25, 213.
5.
Viswanathan R., et al. Infectious hepatitis in Delhi, 1955-56: A critical study. Indian J. Med. Res.45, January 1957. Supplementary number.
6.
REPORT (1938). Report C.M.O. Min. of Health, 1937; 159. H.M.S.O.
7.
Warren, S.H. and Goldie, W. (1945). The value of Vi phage typing of Bact. typhosum in investigating an outbreak of enteric fever. Mon. Bull. Minst. Hlth. Lab. Serv.4, 179.
8.
Marmion, B.P. and Martin, A.E. (1946). An outbreak of typhoid fever in the East Midlands. Mon. Bull. Minist. Hlth. Lab. Serv.5, 205.
9.
Lendon, N.C. and Mackenzie, R.D. (1951). Tracing a typhoid carrier by sewage examination. Mon. Bull. Minist. Hlth. Lab. Serv.10, 23.
10.
Anon. ( 1942). A water-borne outbreak of paratyphoid B fever. Mon. Bull. Minist. Hlth. Lab. Serv. 1. Feb. 1.
11.
Martin, P.H. (1947). Field investigation of paratyphoid fever with typing of Salm. paratyphi B by means of Vi bacteriophage . Mon. Bull. Minist. Hlth. Lab. Serv.6, 148.
12.
Wallace, W.S. and Mackenzie, M.B. (1947). An outbreak of paratyphoid fever at Wootton, Isle of Wight. Mon. Bull. Minist. Hlth. Lab. Serv.6, 32.
13.
Bradley, W.H. , Wilson Evans, L. and Taylor, I. (1951). A hospital outbreak of typhoid fever. J. Hyg. Camb.49, 324.
14.
Newell, K.M. and Payne, D.J.H. (1956). An outbreak of typhoid fever associated with canned ox-tongue. Lancet , i, 1057.
15.
Wildman, J.H. , Nicol, C.G. and Tee, G.H. (1951). An outbreak due to Salmonella wien. Mon. Bull. Minist. Hlth. Lab. Serv.10, 190.
Thomas, W.E. , Stephens, T.H., King , G.J.G. and Thonison , S. (1948). Enteric fever (paratyphoid B) apparently spread by pasteurised milk . Lancet, ii, 270.
18.
Bundesen, H.M. , Connolly, J.I., Rawlings , I.D., Gorman, A.E., Mccoy, G.W., and Hardy, A.V. (1936). Epidemic amebic dysentery: the Chicago outbreak of 1933. Nat. Inst. Hlth. Bull. No. 166.
19.
Ross, A.I. and Gillespie, E.H. (1952). An outbreak of water-borne gastro-enteritis and Sonne dysentery. Mon. Bull. Minist. Hlth. Lab. Serv.11, 36.
20.
REPORT (1949). Outbreak of typhoid fever on a passenger ship. Report of the Ministry of Health. Part II, 72. H.M.S.O. London.
21.
Tee, G.H. (1962). Bacteriological examination of watercress. Mon. Bull. Minist. Hlth. Lab. Serv.21, 73.
22.
Cruickshank, J.C. (1947). Typhoid fever in Devon. The value of phage-typing in a rural area. Mon. Bull. Minist. Hlth. Lab. Serv.6, 88.
23.
Moore, B., Perry, E.L. and Chard, S.T. (1952). A survey by the sewage swab method of latent enteric infection in an urban area. J. Hyg. Camb.50, 137.
24.
Moore, B. (1962). Personal communication.
25.
Falk, L.L. (1949). Bacterial contamination of tomatoes grown in polluted soil. Amer. J. Publ. Hlth.39, 1338.
26.
Rudolfs, W. , Falk, L.L. and Ragotzkie , R.A. (1951). Contamination of vegetables grown in polluted soil. 4. Bacterial decontamination. Sewage Ind. Wastes23, 739.
27.
Mair, N.S. and Ross, A.I. (1960). Survival of Salm. typhimurium in the soilMon. Bull. Minist. Hlth. Lab. Serv.19, 39.
28.
Müller, G. (1957). Infection of vegetables by application of domestic sewage as artificial rain. Städtehygiene.8, 30.
29.
Ibid. (1955). Pollution of irrigated grass with bacteria of the typhoid-paratyphoid group. Kommunalwirtschaft No. 8, 409.
30.
Rudolfs, W. , Falk, L.L. and Ragotzkie , R.A. (1951). Contamination of vegetables grown in polluted soil. 6. Application of results . Sewage Ind. Wastes. 23, 992.
31.
Harmsen, H. (1953). Stuttgart Typhusepidemic und Kopfgedüngtes Gemüse! - Gedanken zur landwirtschaftlichen Abwasserverwertung der Stadt Lüneburg in Bardowiek. Städtehygiene.4, 48.
32.
Ibid. (1954). Die Stuttgarter und Wiener Typhusepidemien als Beispiele der Gefahn fäkaler Salab - und Gemüsekopfdüngung durch Verrieselung und Verregrung. Städtehygiene.5, 54.
33.
Harmsen, H. (1953). Stadtehygiene, 4, 48.
34.
Ibid (1954). 5, 54.
35.
Thomson, D. (1955). The Ebb and Flow of Infection . Mon. Bull. Minist. Hlth. Lab. Serv.14, 120.
36.
Annual reports of C.M.O. Minist. Hlth. 1951-60. H.M.S.O. London.