Abstract

References
1.
Barker
A. E.
(1909 ) Brit. med. J . (ii ), 789 .
2.
Barrie
H. J.
(1941 ) Lancet (i ), 242 .
3.
Davis
L.
Haven
H.
Givens
Emmett
(1931 ) J. Amer. med. Ass ., 97 , 1781 .
4.
Evans
F. T.
(1945 ) Lancet (i ), 115 .
5.
Jason
A. H.
Lederer
M.
Steiner
M.
(1930 ) Surg. Gynec. Obstet ., 51 , 76 .
6.
Konwaler
B. E.
(1943 ) Amer. J. Clin. Path ., 13 , 378 .
7.
Kremer
M.
(1945 ) Brit. med. J . (ii ), 313 .
8.
Livingstone
H.
Wellman
(1943 ) Surg. Gynec. Obstet ., 77 , 216 .
9.
Orkin
L. D.
(1936 ) Amer. Soc. Reg. Anæsth. Scientific Session , March 3.
10.
Pray
L. G.
(1941 ) Amer. J. Dis. Child ., 62 , 295 .
11.
Remson
D. B.
(1936 ) J. Lab. clin. Med ., 17 , 115 .
12.
Reynolds
K. E.
Wilson
G.
(1924 ) J. Amer. med. Ass ., 82 , 106 .
13.
Smith
W.
Smith
M. M.
(1941 ) Lancet (ii ), 783 .
14.
Spiller
W. G.
Payne
F. L.
(1934 ) J. Amer. med. Ass ., 102 , 1460 –1462 .
15.
Weed
L. H.
Wegeforth
(1920 ) Monograph No. 12, Rockefeller Inst. Med. Research , 57 –112 .
