@book{264908,
	author = {National Cancer Institute (U.S.)},
	title = {Ultrastructural comparison of placental virus with several type-C oncogenic viruses.},
	year = {1974]},
	series = {Brief communication},
	address = {[Washington, D.C.,},
	note = {[Reprinted from JNCI, v.52, no.4, Apr. 1974].}
}