title: Virological aspects of the quality control of biologicals: quantitative considerations.
authors.affiliation: Paul-Ehrlich-Institut, Langen.
authors.forename: J
authors.initials: J
authors.lastname: Löwer
mesh_terms: D001688:Biological Products / Q000592:standards*; D004340:Drug Contamination; D006801:Humans; D011786:Quality Control; D014780:Viruses / Q000302:isolation & purification*
chemical_list: D001688:Biological Products