Abstract
References
1.
Brooke B. N.
(1956 ) Lancet , ii , 1175 .
2.
Goldgraber M. B.
,
Kirsner J. B.
, and
Palmer W. L.
(1957 ) Arch. intern. Med. , 100 , 180 .
3.
Maltby E. J.
,
Dickson R. C.
, and
O'Sullivan P. M.
(1956 ) Canad. med. Ass. J. , 74 , 4 .