Abstract
References
1.
Barnes
J M
. (1972 ) British Medical Journal
iv , 359
2.Committee on Safety of Medicines (1972 ) Carcinogenicity Tests of Oral Contraceptives . HMSO , London
3.
Davis
B R
,
Whitehead
J K
,
Gill
M E
,
Lee
P N
,
Butterworth
A D
. &
Roe
F J C
. (1975 ) British Journal of Cancer
31 , 469
4.
Dunn
T B
. &
Green
A W
. (1963 ) Journal of the National Cancer Institute
31 , 425
5.
Gardner
W U
. (1959 ) Annals of the New York Academy of Sciences
75 , 543
6.
Riley
V
. (1975 ) Science
189 , 465