@book{264784,
	author = {National Cancer Institute (U.S.)},
	title = {Immune status of SJL/J mice in relation to age and spontaneous tumor development.},
	year = {1973]},
	address = {[Washington, D.C.,},
	note = {(Reprinted from JNCI, v.50, no.5, May 1973.).}
}