Mutagenesis of the K-<i>ras</i> protooncogene in mouse lung tumors induced by <i>N</i>-ethyl-<i>N</i>-nitrosourea or <i>N</i>-nitrosodiethylamineMing You, Marshall W. Anderson, Gary D. Stoner et al.|Carcinogenesis|1992Cited by 45