Abstract
References
1.
Beckman
H.
(1935 ) Lancet (ii), 634 .
2.
Blyth
W.
(1935 ) Lancet (ii), 404 .
3.
Carlill
H.
(1935 ) Lancet (ii), 742 .
4.
MacLennan
A.
(1917 ) Glasgow med. J. , 88 , 129 .
5.
Marshall
W. H.
(1935 ) Lancet (ii), 634 .
6.
Ryle
J. A.
(1943 ) Guy's Hosp. Rep. , 91 , 147 .
7.
Thaysen
T. E. H.
(1935 ) Lancet (ii), 243 .