Abstract

References
1.
Bates
R G
Helm
C W
Ducan
A
Edmonds
D K
(1985 ) British Journal of Obstetrics and Gynaecology (in press)
2.
Chiswick
M L
(1980 ) In: Outcomes of Obstetric Intervention in Britain . Royal College of Obstetricians and Gynaecologists , London ; pp 33 –41
3.
Dawood
M Y
Raghaven
K S
Pociask
C
Fuchs
F
(1978 ) Obstetrics and Gynecology
51 , 138 –143
4.
Ferguson
J K W
(1941 ) Surgery, Gynecology and Obstetrics
73 , 359 –366
5.
Goodfellow
C F
Hull
M G R
Swaab
D F
Dogterom
J
Buijs
R M
(1983 ) British Journal of Obstetrics and Gynaecology
90 , 214 –219
6.
Goodfellow
C F
Studd
C
(1979 ) British Journal of Clinical Practice
83 , 287 –288
7.
Hoult
I J
MacLennan
A H
Carrie
L E S
(1977 ) British Medical Journal
i , 14 –16
8.Lancet (1981 ) ii , 347 –348
9.
Leake
R D
Weitzman
R E
Glatz
T H
Fisher
D A
(1979 ) Clinical Research
27 , 99A
10.
McQueen
J
Mylrae
L
(1977 ) British Medical Journal
i , 640 –641
11.
Maresh
M
Choony
K H
Beard
R W
(1983 ) British Journal of Obstetrics and Gynaecology
90 , 623 –627
12.
O'Driscoll
K
Meagher
D
(1980 ) Clinics in Obstetrics and Gynaecology , Suppl 1; pp 73 –77
13.
O'Driscoll
K
Meagher
D
MacDonald
D
Geoghegan
F
(1981 ) British Journal of Obstetrics and Gynaecology
88 , 577 –581
14.
Paintin
D B
Vincent
E
(1980 ) In: Outcomes of Obstetric Intervention in Britain . Royal College of Obstetricians & Gynaecologists , London ; pp 17 –32
15.
Steer
P J
Carter
M C
Beard
R W
(1984 ) British Journal of Obstetrics & Gynaecology
91 , 211 –219
16.
Steer
P J
Carter
M C
Gordon
A J
Beard
R W
(1978 ) British Journal of Obstetrics and Gynaecology
85 , 561 –566
