Abstract

References
1.
Andrew
J D
Gardner
P S
. (1963 ) Brit. med. J.
ii , 1447 .
2.
Baxter
J D
. (1967 ) Laryngoscope
77 , 1358 .
3.
Camps
F E
. (1953 ) Proc. roy. Soc. Med.
46 , 281 .
4.
Johnstone
J M
Lawy
H S
. (1967 ) Lancet
ii , 134 .
5.
Jones
H M
Camps
F E
. (1957 ) Practitioner
178 , 223 .
6.
Neffson
A H
. (1949 ) Acute Laryngo-Tracheo-Bronchitis . New York ; p 36 .
7.
Turk
D C
May
J R
. (1967 ) Hæmophilus influenzæ: Its Clinical Importance . London ; pp 16 , 17 , 33 .
