Abstract

Get full access to this article
View all access options for this article.
References
1.
Casey, M.D.
,
Segall, L.J.
,
Street, D.R.K.
and
Blank, C.E.
: Nature
209 : 64 , 1966 .
2.
Dewhurst, C.J.
and
Gordon, R.R.
: Lancet
2 : 1213 , 1963 .
3.
Jacobs, P.A.
,
Brunton, M.
,
Melville, M.M.
,
Brittain, R.P.
and
McClemont , W.F.
: Nature
208 : 1350 , 1965 .
4.
Lennox, B.
: Lancet
1 : 611 , 1963 .
5.
Price, W.H.
,
Strong, J.A.
,
Whatmore, P.B.
and
McClemont, W.F.
: Lancet
1 : 565 , 1966 .
6.
Verresen, H.
,
van der Bergh, H.
and
Creemers, J.
: Lancet
1 : 526 , 1964 .
