title: Adventitious agents from animal-derived raw materials and production systems.
authors.affiliation: Center for Devices and Radiological Health, U.S. Food and Drug Administration, Rockville, Maryland, USA.
authors.forename: K B
authors.initials: KB
authors.lastname: Hellman
authors.forename: J P
authors.initials: JP
authors.lastname: Honstead
authors.forename: C K
authors.initials: CK
authors.lastname: Vincent
mesh_terms: D000818:Animals; D001688:Biological Products / Q000592:standards*; D002417:Cattle; D004340:Drug Contamination / Q000517:prevention & control*; D017408:Guidelines as Topic; D017096:Prion Diseases / Q000635:transmission*; D011328:Prions / Q000302:isolation & purification*; D018570:Risk Assessment; D012756:Sheep; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D001688:Biological Products; D011328:Prions