[Investigation of antipoliomyelitis antibodies in pregnant women: in the city of Maracaibo].
D000906:Antibodies; D005260:Female; D006801:Humans; D007114:Immunization; D011051:Poliomyelitis; D011247:Pregnancy; D014611:Vaccination
D000906:Antibodies
ANTIBODIES; IMMUNIZATION; POLIOMYELITIS