Abstract

References
1.
Davis
D R
Welbourn
R B
(1977 ) In: Dictionary of Medical Ethics . Ed.
Duncan
A S
Dunstan
G R
Welbourn
R B
. Darton, Longman & Todd , London ; pp 131 –132
2.
Trethowan
W H
Cupitt
D
Marteau
L
(1976 ) Journal of Medical Ethics
2 , 127 –137
