Abstract

References
1.
Clapper
W. E.
Carlquist
J. H.
(1945 ) Proc. Soc. exp. Biol., N.Y. , 60 , 298 .
2.
Gibson
H. J.
(1935 ) J. Path. Bact. , 41 , 239 .
3.
Shaw
C. S.
Turk
D. C.
Inpreparation.
