Abstract
References
1.[1] Statistical Abstract for the U.K. , H.M.S.O. , 1936 , Table 113.
2.[2] Annual Report of the Chief Inspector of Factories , H.M.S.O. , 1935 .
3.[3] Twenty-first Abstract of Labour Statistics of the U.K. , H.M.S.O. , 1934 .
4.
Cassidy
M.
Sir
(1936 ), Practitioner , 137 , 393 .
5.
Culpin
M.
(1936 ), Ibid ., 137 , 324 .
6.
Culpin
M.
Smith
M.
(1930 ), Ind. Health Ret. Bd., Rep . 61 .
7.
Gillespie
R. D.
(1933 ), Lancet (i ), 1 .
8.
Halliday
J. L.
(1935 ), Brit. M. J . (i ), Suppl. 85 and 99 .
9.
Id. (1936 ), Tr. Roy. Med.-Chir. Soc. of Glasgow , 30 , 68 .
10.
Lockhart
L. P.
(1931 ), Brit. M. J . (ii ), 179 .
11.
Id. (1934 ), Lancet (i ), 825 .
12.
Smith
M.
(1930 ), Brit. J. M. Psychol ., 10 (ii), 99.
13.
Smith
M.
Leiper
M.
(1936 ), Ind. Health Res. Bd ., Rep. 75.