title: Cells, vaccines, and the pursuit of precedent.
mesh_terms: D000256:Adenoviridae; D000328:Adult; D002460:Cell Line; D002986:Clinical Trials as Topic; D046508:Culture Techniques / Q000592:standards*; D004848:Epithelium; D005128:Eye Diseases / Q000209:etiology; D006367:HeLa Cells; D006801:Humans; D008297:Male; D012141:Respiratory Tract Infections / Q000209:etiology*; D014765:Viral Vaccines / Q000592:standards*; D014776:Virus Cultivation / Q000592:standards; D014777:Virus Diseases / Q000209:etiology*
chemical_list: D014765:Viral Vaccines