Abstract

References
1.
Barr
M.
Glenny
A. T.
Parish
H. J.
(1951 ) Lancet , i , 713 .
2.
Jude
A.
(1950 ) Rev. Immunol. , 14 , 215 .
3.
Maddock
E. C. G.
(1948 ) Mon. Bull. Minist. Hlth. Lab. Serv. , 7 , 18 .
4.Medical Research Council (1951 ) Brit. med. J. , i , 1463 .
5.
Report: Ministry of Health for 1952. H.M.S.O. London.
6.
Rogers
L.
(1952 ) Brit. med. J. , ii , 1219 .
7.WHO (1952 ) Epidem. vit. Stat. Rep. , 5 , 323 .
8.
Barr
M.
Llewellyn-Jones
M.
(1953a ) Brit. J. exp. Path. , 34 , 12 .
9.
Barr
M.
Llewellyn-Jones
M.
(1953b ) Brit. J. exp. Path. , 34 , 233 .
10.
Glenny
A. T.
Hopkins
B. E.
Waddington
H.
(1925 ) J. Path. Bact. , 28 , 305 .
11.
Glenny
A. T.
Waddington
H.
(1926 ) J. Path. Bact. , 29 , 118 .
12.
Greenberg
L.
Fleming
D. S.
(1947 ) Canad. J. Publ. Hlth. , 38 , 279 .
13.
Ungar
J.
(1952a ) Irish J. med. Sci. , Sixth Series, No. 316, 145 .
14.
Ungar
J.
(1952b ) Proc. R. Soc. Med. , 45 , 674 .
15.Brit. med. J. (1951 ) i , 1464 .
16.
Geffen
D. H.
(1950 ) Med. Off. , 83 , 137 .
17.Wld. Hlth. Org. techn. Rep. Ser. , 1953 , No. 61.
