Abstract
References
1.
Bulloch
W.
(1927 ) Lancet (i ), 250 .
2.
Bulloch
W.
(1928 ) Aberdeen Univ. Review , 15 , 112 –8 .
3.
Greenwood
M.
(1927 ) Brit. med. J. (ii ), 240 –1 .
4.
Garrison
F. H.
(1928 ) Bull. N. York Acad. Med. , 4 , 469 –476 .
5.
Twort
F. W.
(1947 ) Personal communication.
6.See ref. 3 and Creighton's first paper.
7.
L.G.B. Special Reps.
8.
Greenwood
M.
(1935 ) Epidemics and Crowd Diseases . London .
9.
Greenwood
M.
(1947 ) Personal communication.
10.
Fildes
P.
(1947 ) Personal communication.
11.
Turnbull
H. M.
(1947 ) Personal communication.
12.Lancet (1894 ) (ii ), 1513 .