Horaud, F Ethical and safety considerations for the use in clinical trials of new attenuated poliovirus strains. [electronic resource] - Developments in biological standardization 1993 - 149-54; discussion 154-5 p. digital Publication Type: Historical Article; Journal Article ISSN: 0301-5149 Subjects--Topical Terms: AnimalsClinical Trials as Topic--methodsDisease OutbreaksDrug ContaminationEthics, MedicalHistory, 20th CenturyHumansPoland--epidemiologyPoliomyelitis--epidemiologyPoliovirus--classificationPoliovirus Vaccine, Inactivated--adverse effectsPoliovirus Vaccine, Oral--adverse effectsSafetySimian virus 40Virulence--genetics