Abstract

References
1.
Brewin
E. G.
Gould
R. P.
Nashat
F. S.
Neil
E.
(1955 ) Guy's Hosp. Rep. , 104 , 177 .
2.
Lucas
B. G. B.
(1956 ) Proc. R. Soc. Med. , 49 , 345 .
3.
Brock
R. C.
Ross
D. N.
(1955 ) Guy's Hosp. Rep. , 104 , 99 .
4.
Gollan
F.
Phillips
R.
Grace
J. T.
Jones
R. M.
(1955 ) J. thorac. Surg. , 30 , 626 .
5.
Ross
D. N.
(1954 ) Guy's Hosp. Rep. , 103 , 116 .
6.
Khalil
H. H.
(1957 ) Lancet , i , 185 .
7.
Khalil
H. H.
MacKeith
R.
(1954 ) Brit. med. J. , ii , 734 .
8.
Osborne
J. J.
(1953 ) Amer. J. Physiol. , 175 , 384 .
9.
[For full Paper see Lancet (1957 ) i , 185 ]
