@book{264736,
	author = {National Cancer Institute (U.S.)},
	title = {Separation of cells drom [sic] mast cell tumor on density gradients of colloidal silica.},
	year = {1970]},
	address = {[Washington, D.C.,},
	note = {[Reprinted from Journal of National Cancer Institute, v. 44, no.6, June 1970].}
}