Abstract
References
1.
Bonser
G M
. (1967 ) Brit. med. J . ii , 655 .
2.
Clemmensen
J
. (1965 ) Statistical Studies in the Ætiology of Malignant Neoplasms . Copenhagen; Vol. 1 .
3.
Doll
R
Payne
P
Waterhouse
J
. (1966 ) Cancer Incidence in Five Continents . Berlin.
4.
Haenszel
W
. (1961 ) J. nat. Cancer Inst . 26 , 37 .
5.
Haenszel
W
Kurihara
M
. (1968 ) J. nat. Cancer Inst . 40 , 43 .
6.
Higginson
J
. (1960 ) Acta Un. int. Cancr . 16 , 1667 .
7.
Klein
E
Clifford
P
Klein
G
Hamberger
C-A
. (1967 ) Int. J. Cancer
2 , 27 .
8.
Pike
M C
Williams
E H
Wright
B
. (1967 ) Brit. med. J . ii , 395 .
9.
Tjalma
R A
. (1968 ) Int. J. Cancer
3 , 1 .
10.
Wynder
E L
Hyams
L
Shigematsu
T
. (1967 ) Cancer (Philad)
20 , 113 .