Abstract
References
1.British Medical Journal (1972 ) iii , 717 .
2.British Medical Journal (1974 ) iii , 487 .
3.British Medical Journal (1975 ) iv , 483 –484 .
4.
Burke
M
. (1974 ) British Medical Journal
iv , 528 .
5.
Douglas
A P
Hamlyn
A N
James
O
. (1976 ) Lancet
i , 111 –115 .
6.
Ghodse
A H
. (1976 ) British Medical Journal
ii , 1195 .
7.
Jackson
G
Ng
S H
Diggle
G E
Bourke
I G
. (1971 ) British Medical Journal
iii , 519 –520 .
8.
Jones
D I R
. (1977 ) British Medical Journal
i , 28 –29 .
9.Lancet (1843 ) p 326 .
10.
Matthew
H
. (1971 ) British Medical Journal
i , 519 –522 .