Abstract

References
1.
Blyth
H
Dickson
J A S
. (1969 ) J. med. Genet.
6 , 275 .
2.
Clogg
H S
. (1904 ) Lancet
ii , 1770 .
3.
Mishalany
H G
Najjar
F B
. (1968 ) J. Pediat.
73 , 753 .
4.
Nade
S M L
Dickson
J A S
. (1970 ) Brit. J. Surg.
57 , 540 .
5.
Nixon
H H
. (1955 ) Arch. Dis. Childh.
30 , 13 .
6.
Nixon
H H
. (1960 ) Ann roy. Coll. Surg. Engl.
27 , 105 .
7.
Noblett
H
. (1970 ) Communication to Centenary Meeting , Royal Children's Hospital , Melbourne .
8.
Waterston
D J
Bonham-Carter
R E
Aberdeen
E
. (1962 ) Lancet
i , 819 .
