@book{264770,
	author = {National Cancer Institute (U.S.)},
	title = {Mechanisms of resistance to mammary tumor development in C57BL and I strains of mice :},
	year = {1972]},
	address = {[Washington, D.C.,},
	note = {Reprinted from the Journal of the National Cancer Institute, v.48, no.4, April 1972.}
}