Abstract

References
1.
Brill
N
Bronnestam
R
(1960 ) Acta odont. scand . 18 , 95
2.
Cohen
B
(1959 ) Dent. Practit . 9 , 167
3.
Emslie
R D
(1963 ) Dent. Practit . 13 , 481
4.
Hampp
E G
Scott
D B
Wyckoff
R W G
(1948 ) J. Bact . 56 , 755
5.
Loesche
W J
Socransky
S S
Macdonald
J B
(1962 ) Bact. Proc . p 77
6.
Sueda
T
Imagawa
Y
Araya
S
(1965 ) Bull. Tokyo med. dent. Univ . 12 , 159
7.
Washburn
M R
Niven
C F
jr
(1948 ) J. Bact . 55 , 769
