Abstract
References
1.
Agri. Res. Counc. (1944 ) Rev. Ser. Imp. Bur. anim. Hlth., Weybridge. No. 2 . Imp. Cancer Res. Fund (1949 ) 46th Ann. Rep.
2.
Bendixen
H. C.
Minett
F. C.
(1938 ) J. Hyg. , 38 , 374 .
3.
Bosworth
T. J.
Lovell
R.
(1944 ) J. comp. Path. , 54 , 168 .
4.
Bürgi
E.
(1907 ) Arch. J. Hyg. , 62 , 239 .
5.
Cass
J.
(1941 ) Lancet (i ), 346 .
6.
Chick
H.
Macrae
T. F.
Martin
A. J. P.
Martin
C. J.
(1938a ) Biochem. J. , 32 , 10 .
7.
Chick
H.
Macrae
T. F.
Martin
A. J. P.
Martin
C. J.
(1938b ) Biochem. J. , 32 , 844 .
8.
Edwards
J. T.
(1937 ) Proc. R. Soc. Med.
30 , 1046 .
9.
Ferguson
W. S.
(1948 ) Conf. Grassland and Animal Health . Nat. Vet. Med. Ass. Pub. No. 17.
10.
Francis
J.
(1941a ) Vet. J. , 97 , 243 .
11.
Francis
J.
(1941b ) Vet. Rec. , 53 , 395 .
12.
Gell
P. G. H.
(1948 ) Proc. R. Soc. Med. , 41 , 323 .
13.
Gibson
H. J.
(1930 ) J. Hyg. , 30 , 337 .
14.
Gibson
H. J.
(1932 ) J. Immun. , 22 , 211 .
15.
Giles
C.
Sangster
G.
(1948 ) J. Hyg. , 46 , 1 .
16.
Gordon
J.
Hoyle
L.
(1936 ) J. Path. Bact. , 43 , 537 , 545 .
17.
Greenwood
M.
Hill
A. B.
Topley
W. W. C.
Wilson
J.
(1936 ) Spec. Rep. Ser. med. Res. Counc. No. 209.
18.
Hartley
P.
(1948 ) Proc. R. Soc. Med. , 41 , 328 .
19.
Hughes
D. L.
(1949 ) 12th Int. Dairy Congr. Stockh. , 1 , 537 .
20.
Lovell
R.
(1932 ) J. comp. Path. , 45 , 27 .
21.
Lovell
R.
(1934 ) J. comp. Path. , 47 , 107 .
22.
Lovell
R.
(1935 ) J. R. Army Vet. Cps. , 6 , 69 .
23.
Lovell
R.
(1939 ) J. Path. Bact. , 49 , 329 .
24.
Lovell
R.
Hill
A. B.
(1940 ) J. Dairy Res. , 11 , 225 .
25.
Lovell
R.
Hughes
D. L.
(1935 ) J comp. Path. , 48 , 267 .
26.
Mackie
T. J.
Fraser
A. H. H.
Finkelstein
M. H.
Anderson
E. J. M.
(1932 ) Brit. J. exp. Path. , 13 , 328 .
27.
Neave
F. K.
Sloan
J. K. B.
Mattick
A. T. R.
(1944 ) Vet. Rec. , 56 , 34 .
28.
Neufeld
F.
Etinger-Tulczynska
R.
(1932 ) Zschr. Hvg. , 114 , 324 .
29.
Ochi
T.
Zaizen
K.
(1936 ) J. Jap. Soc. Vet. Sci. , 15 , 30 .
30.
Quin
J. I.
Van Der Wath
J. G.
(1938 ) Onderstepoort J. , 11 , 361 .
31.
REPORT (1930 ) Rep. publ. Hlth. med. Subj. London. No. 58.
32.
Rosher
A. B.
Cole
W. T.
(1939 ) Rep. publ. Hlth. med. Subj. London. No. 90.
33.
Ryle
J. A.
(1948 ) Changing Disciplines . London .
34.
Smith
T.
(1921 ) J. exp. Med. , 33 , 441 .
35.
Smith
T.
(1925 ) J. exp. Med. , 41 , 639 .
36.
Spence
J. C.
(1941 ) Lancet (i ), 777 .
37.
Straker
E. A.
Hill
A. B.
Lovell
R.
(1939 ) Rep. publ. Hlth. Med. Subj. London. No. 90.
38.
Taylor
A. W.
(1949 ) Vet. Rec. , 61 , 539 .
39.
Taylor
J.
Powell
B. W.
Wright
J.
(1949 ) Brit. med. J. (ii ), 117 .
40.
Thompson
A. W. S.
(1949 ) J. Hyg. , 47 , 79 .
41.
Timmerman
W. Æg
(1930 ) Brit. J. exp. Path. , 11 , 447 .
42.
Weinberg
M.
Forgeot
P.
Richart
A.
(1938 ) Bull. Acad, vét., France , 11 , 217 .
43.
Zingher
A.
(1923 ) Amer. J. Dis. Child. , 25 , 392 .
44.
Zingher
A.
(1924 ) Amer. J. publ. Hlth. , 14 , 955 .