Abstract

References
1.
Aldridge
W N
. (1954 ) Biochem. J.
56 , 185 .
2.
Cavanagh
J B
. (1964 ) Int. Rev. exp. Path.
3 , 219 .
3.
Cavanagh
J B
. (1969 ) Brit. med. Bull.
25 , 268 .
4.
Johnson
M K
. (1969a ) Brit. med. Bull.
25 , 231 .
5.
Johnson
M K
. (1969b ) Biochem. J.
111 , 487 .
6.
Johnson
M K
. (1969c ) Biochem. J.
114 , 711 .
7.
Johnson
M K
. (1970 ) Biochem. J.
120 , 523 .
8.
Johnson
M K
Lauwerys
R
. (1969 ) Nature (Lond.)
222 , 1066 .
