title: Safety of biological products prepared from mammalian cell culture. In-process testing for viral agents.
mesh_terms: D000818:Animals; D001688:Biological Products / Q000592:standards*; D016466:CHO Cells; D002460:Cell Line; D002478:Cells, Cultured / Q000821:virology; D006224:Cricetinae; D004340:Drug Contamination; D006801:Humans; D012194:RNA-Directed DNA Polymerase / Q000378:metabolism; D014015:Tissue Banks; D014765:Viral Vaccines; D014780:Viruses / Q000302:isolation & purification*
chemical_list: D001688:Biological Products; D014765:Viral Vaccines; D012194:RNA-Directed DNA Polymerase