TY - GEN AU - Horaud,F TI - Ethical and safety considerations for the use in clinical trials of new attenuated poliovirus strains SN - 0301-5149 PY - 1993///0701 KW - Animals KW - Clinical Trials as Topic KW - methods KW - Disease Outbreaks KW - Drug Contamination KW - Ethics, Medical KW - History, 20th Century KW - Humans KW - Poland KW - epidemiology KW - Poliomyelitis KW - Poliovirus KW - classification KW - Poliovirus Vaccine, Inactivated KW - adverse effects KW - Poliovirus Vaccine, Oral KW - Safety KW - Simian virus 40 KW - Virulence KW - genetics N1 - Publication Type: Historical Article; Journal Article ER -