title: Trypsin in poliovaccine manufacture.
authors.forename: L
authors.initials: L
authors.lastname: Hayflick
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D003584:Cytological Techniques; D015658:HIV Infections / Q000209:etiology; D000882:Haplorhini; D006801:Humans; D011054:Poliovirus Vaccine, Inactivated; D014357:Trypsin
chemical_list: D011054:Poliovirus Vaccine, Inactivated; D014357:Trypsin