Fahrig R, Grafe A, Buselmaier W
Arch Toxicol. 1975 Sep 5;34(1):9-15. doi: 10.1007/BF00353334.
The concentration- and time-dependent genetic activity of methyl methanesulfonate (MMS) was investigated in vitro and in the host-mediated assay using four different indicator organisms. Dose/effect curves achieved with the different indicator organisms are similar.