Abstract
References
1.
Lilienfeld
A M
Pasamanick
B
, (1955 ) American Journal of Obstetrics and Gynecology
70 , 93
2.
Little
J W
, (1843–4 ) Lancet
i , 319
3.
Russell
J K
Fairweather
D V I
Millar
D G
Brown
A M
Pearson
R C M
Neligan
G A
Anderson
G S
, (1963 ) Lancet
i , 711