title: OPERATION SWALLOW--TWO YEARS AFTER. A CRITIQUE, A WARNING, AND A RECOMMENDATION.
mesh_terms: D002648:Child; D006254:Hawaii; D006801:Humans; D007114:Immunization; D007223:Infant; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
chemical_list: D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
keywords: CHILD; HAWAII; IMMUNIZATION; INFANT; POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL