Table 1
Effect of different metal salts on the cytotoxic effect of cytotoxic factor
Concentration
Salt
10
−7
M
10
−6
M
10
−5
M
10
−4
M
10
−3
M
ZnSO
4
–
–
–
+
+
FeSO
4
–
–
–
–
–
MnCl
2
–
–
–
–
–
Cu(Ac)
2
–
–
–
–
–