Abstract

References
1.
Cross
B A
Silver
I A
(1962 ) J. Reprod. Fertil.
3 , 377 .
2.
Glover
T D
(1965 ) Acta endocr., Copenhagen Suppl.
100 p 38 .
3.
MacDonald
J
Harrison
R G
(1954 ) Fertil. and Steril.
5 , 205 .
4.
Sapirstein
L A
(1958 ) Amer. J. Physiol.
193 , 161 .
5.
Setchell
B P
Waites
G M H
Till
A R
(1964 ) Nature, Lond.
203 , 317 .
