Abstract
References
1.
Bradley
D D
Wingerd
J
Pettiti
D B
Krauss
R M
Ramcharan
S
(1978 ) New England Journal of Medicine 299 , 17 –20 .
2.Committee on Safety of Medicines (1983 ) Current Problems , No. 12 (October). CSM , London .
3.
Dickey
R P
(1978 ) International Journal of Fertility 23 , 170 .
4.
Dickey
R P
Stone
S C
(1976 ) Obstetrics and Gynecology 47 , 106 –112 .
5.
Djerassi
C
Miramontes
L
Rosencranz
G
(1952 ) American Chemical Society Meeting . Abstract 18J.
6.
Edgren
R A
(1978 ) International Journal of Fertility 23 , 162 .
7.
Ferin
J
(1972 ) In: International Encyclopedia of Pharmacology and Therapeutics . Pergamon Press , Oxford ; Section 48 vol II , chapter 30.
8.
Greenblatt
R B
Jungck
E C
Barfield
W E
(1958 ) Annals of the New York Academy of Science 71 , 717 .
9.
Lauritzen
C
Lehmann
W D
(1969 ) In: Handbuch der experimentelle Pharmakologie 22, 2. Herausgegeb V K Junckmann, Springer , Berlin — Heidelberg — New York .
10.
Meade
T W
Greenberg
G
Thompson
S G
(1980 ) British Medical Journal i , 1157 –1160 .
11.
Meade
T W
Haines
A P
North
W R S
Chakrabati
R
Howard
D J
Stirling
Y
(1977 ) Lancet ii , 948 –951 .
12.
Pike
M C
Henderson
B E
Krailo
M D
Duke
A
Roy
S
(1983 ) Lancet ii , 926 –930 .
13.Royal College of General Practitioners (1977 ) Lancet i , 1624 .
14.
Swyer
G I M
(1959 ) Journal of Endocrinology 18 , v –vi .
15.
Swyer
G I M
(1960 ) In: Moderne Entwicklungen auf dem Gestagengebiet . Ed.
Nowakowski
H
. Springer-Verlag , Heidelberg ; p 100 .
16.
Swyer
G I M
(1974 ) In: The Second International Norgestrel Symposium . Excerpta Medica , Amsterdam ; p 42 .
17.
Swyer
G I M
(1982 ) Contraception 26 , 23 –27 .
18.
Swyer
G I M
Little
V
(1962 ) Proceedings of the Royal Society of Medicine 55 , 861 .
19.
Swyer
G I M
Little
V
(1968 ) Journal of Reproduction and Fertility Suppl. 5; pp 63 –68 .
20.
Swyer
G I M
Sebok
L
Barns
D F
(1960 ) Proceedings of the Royal Society of Medicine 53 , 435 .
21.
Weir
R J
Briggs
E
Mack
A
Naismith
L
Taylor
L
Wilson
E
(1974 ) British Medical Journal i , 533 –535 .
22.
Whitehead
M I
Townsend
P T
Pryse-Davies
J
Ryder
T A
King
R J B
(1981 ) New England Journal of Medicine 305 , 1599 –1605 .
23.
Wynn
V
Adams
P W
Godsland
I
Niththyananthan
R
(1979 ) Lancet i , 1045 –1049 .