Abstract
References
1.
Bowman
J M
Pollock
J M
. (1965 ) Pediatrics
35 , 815 .
2.
Creasman
W T
Lawrence
R A
Thiede
H A
. (1968 ) J. Amer. med. Ass.
204 , 91 .
3.
Crystle
C D
Rigby
W C
. (1970 ) Amer. J. Obstet. Gynec.
106 , 310 .
4.
Fairweather
D V I
Walker
W
. (1964 ) J. Obstet. Gynæc. Brit. Cwlth.
71 , 48 .
5.
Freda
V J
. (1965 ) Amer. J. Obstet. Gynec.
92 , 341 .
6.
Free
K
McDonnell
B
. (1970 ) Aust. N.Z. J. Obstet. Gynæc.
10 , 139 .
7.
Gordon
H
. (1969 ) Brit. J. Hosp. Med.
2 , 2000 .
8.
Liley
A W
. (1960 ) N.Z. med. J.
59 , 581 .
9.
Menees
T D
Miller
J D
Holly
L E
. (1930 ) Amer. J. Roentgenol.
24 , 363 .
10.
Misenheimer
H R
. (1966 ) Amer. J. Obstet. Gynec.
94 , 1133 .
11.
Pauls
F
Boutros
P
. (1970 ) Obstet. and Gynec.
35 , 175 .
12.
Peddle
L J
. (1968 ) Amer. J. Obstet. Gynec.
100 , 567 .
13.
Queenan
J T
Adams
D W
. (1964 ) Obstet. and Gynec.
24 , 530 .
14.
Scrimgeour
J B
. (1971 ) (in press).
15.
Walker
W
Landon
M J
Oxley
A
. (1969 ) Brit. med. J.
i , 605 .
16.
Wang
M Y W
McCutcheon
E
Desforges
J P
. (1967 ) Amer. J. Obstet. Gynec.
97 , 1123 .