Abstract

References
1.
Miller
F J W
Court
S D M
Walton
W S
Knox
E G
(1960 ) Growing up in Newcastle upon Tyne . London; p 12
2.
Strang
L B
(1960 ) Brit. med. J.
i , 167
3.
Strang
L B
Court
S D M
(1960 ) Postgrad. med. J.
36 , 276
4.
Crooks
J
(1936 ) Arch. Dis. Childh.
11 , 281
