Abstract

References
1.
Archer
V. W.
Cooper
G.
Kroll
J. G.
Jr.
Cunningham
D. A.
(1952 ) J. Amer. med. Ass. , 148 , 106 .
2.
Barclay
A. E.
Cox
S.
(1928 ) Amer. J. Roentgenol. , 19 , 551 .
3.
Bythell
W. J. S.
Barclay
A. E.
(1912 ) X-ray Diagnosis and Treatment. London; p. 119 .
4.
Catcheside
D. G.
(1947 ) Brit. J. Radiol , Suppl. 1, pp. 66 –74 , 109 –116 .
5.
Dobzhansky
T.
(1951 ) Genetics and the Origin of Species.
3rd ed. New York.
6.
Goodfellow
D. R.
(1935 ) Brit. J. Radiol , 8 , 669 , 752 .
7.
Goodfellow
D. R.
(1936 ) Acta radiol., Stockh. , 17 , 1 .
8.
Grimmett
L. J.
Read
J.
(1936 ) Brit. J. Radiol. , 9 , 724 .
9.
Heinecke
H.
(1904 ) Münch, med. Wschr. , 51 , 785 .
10.
Lea
D. E.
(1946 ) Actions of Radiations on Living Cells. Cambridge.
11.
Martland
H. S.
(1929 ) J. Amer. med. Ass. , 92 , 466 , 552 .
12.
Martland
H. S.
(1931 ) Amer. J. Cancer , 15 , 2435 .
13.
Martland
H. S.
, and Humphries, R. E. (1929 ) Arch. Path. , 7 , 406 .
14.
Mayneord
W. V.
(1951 ) Brit. J. Radiol , 24 , 6 , 527 .
15.
Miller
H.
Walter
J.
(1950 ) Brit. J. Radiol. , 245 .
16.
Mottram
J. C.
(1931 ) Lancet , i , 42 .
17.
Müller
H. J.
(1927 ) Science , 66 , 84 .
18.
Nordensen
N. G.
(1946 ) Acta radiol., Stockh. , 27 , 416 .
19.
Nuttall
J. R.
(1939 ) Amer. J. Roentgenol. , 41 , 98 .
20.
Sievert
R. M.
(1947 ) Brit. J. Radiol. , 20 , 311 .
21.
Spear
F. G.
(1953 ) Radiations and Living Cells. London, Chapman and Hall; p. 102 , Fig. 32.
22.
Stern
C.
(1949 ) Principles of Human Genetics. San Francisco; p. 436 .
23.
Stevens
L. G.
(1896 ) Brit. med. J. , i , 998 .
24.
Turner
D.
(1896 ) Nature, Lond. , 53 , 388 .
25.
Turner
F. M.
(1953 ) Brit. J. Radiol. , 26 , 417 .
26.
Wilson
C. W.
(1945 ) Radium Therapy: Its Physical Aspects. London.
