title: Spontaneous abortions following oral poliovirus vaccination in first trimester.
authors.forename: A
authors.initials: A
authors.lastname: Ornoy
authors.forename: J
authors.initials: J
authors.lastname: Arnon
authors.forename: M
authors.initials: M
authors.lastname: Feingold
authors.forename: P
authors.initials: P
authors.lastname: Ben Ishai
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects*; D011247:Pregnancy; D011261:Pregnancy Trimester, First
chemical_list: D011055:Poliovirus Vaccine, Oral