@article {cite-key,
	title = {Insertional mutagenesis in mouse mammary tumorigenesis.},
	journal = {Curr Top Microbiol Immunol},
	volume = {171},
	year = {1991},
	pages = {43{\textendash}65},
	address = {Howard Hughes Medical Institute, Stanford, CA.},
	issn = {0070-217X (Print); 0070-217X (Linking)},
	author = {Nusse, R}
}
