THE CELL TRANSFORMATION COLONY TEST AND SOS CHROMOTEST FOR DETECTING THE MUTAGENIC POTENTIALSOF ORGANIC POLLUTANTS IN THE AMBIENT AIR Carcinogenesis, Teratogenesis & Mutagenesis . 1997, (3): 145 -150 .  DOI: 10.3969/j.issn.1004-616x.1997.03.004