Abstract

References
1.
Blake
G C
Forman
G H
(1967 ) British Dental Journal
123 , 295 .
2.
Elek
S D
Conen
P E
(1957 ) British Journal of Experimental Pathology
38 , 573 .
3.
Geary
C P
Gavin
J B
(1963 ) New Zealand Dental Journal
59 , 294 .
4.
Gibbons
R J
van Houte
J
(1971 ) Infection and Immunity
3 , 567 .
5.
Liljemark
W F
Gibbons
R J
(1972 ) Infection and Immunity
6 , 852 .
6.
Streitfeld
M M
Zinner
D D
(1958 ) Journal of the American Dental Association
57 , 657 .
7.
van Houte
J
Gibbons
R J
Pulkinnen
A J
(1971 ) Archives of Oral Biology
16 , 1131 .
8.
Zinner
D D
Jablon
J M
Saslaw
M S
(1961 ) Oral Surgery
14 , 1377 .
