@book{264287,
	author = {National Cancer Institute (U.S.)},
	title = {Effect of chronic cyclophosphamide and methotrexate treatment on skin allograft survival in mice and rats.},
	year = {1973]},
	series = {Brief communication},
	address = {[Washington, D.C.,},
	note = {Reprinted from JNCI, v.51, no.4, Oct. 1973.}
}