The choice between killed- and live-virus poliomyelitis immunization.
D002690:Chlamydia Infections; D002755:Choice Behavior; D006801:Humans; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL