Luker M A
Mutat Res. 1982 Jan-Feb;100(1-4):123-6. doi: 10.1016/0165-1218(82)90032-5.
This genetic system permits both point mutations and deletion to be detected in the same experimental material. 4CMB and BC are regarded as being mutagenic in this system. 4HMB induced mutations in only 1 of the 3 treatment protocols used, and its mutagenicity is questionable.