Abstract
References
1.
Aspin
J
(1962 ) Brit. med. J . i , 1386
2.British Tuberculosis Association (1966 ) Tubercle (Lond.)
47 , 145
3.Medical Research Council (1966 ) Tubercle (Lond.)
47 , 92
4.
Nicol Roe
J T
(1959 ) Tubercle (Lond.)
40 , 387
5.
Springett
V H
(1964 ) Lancet
i , 1091
6.
Springett
V H
(1966 ) Immigration: Medical and Social Aspects . Ciba Foundation Report. Ed.
Wolstenholme
G E W
O'Connor
M
. London ; p 56
7.
Springett
V H
Adams
J C S
D'Costa
T B
Hemming
M
(1958 ) Brit. J. prev. soc. Med . 12 , 135
8.
Stevenson
D K
(1962 ) Brit. med. J . i , 1382