Subjects: TOXOCARA; ENZYME-linked immunosorbent assay; CHILDREN'S healthNEW York (N.Y.); NEW York (State)
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Subjects: INDOOR air pollution laws; INDOOR air pollution prevention; SMOKING laws
Subjects: WORK environment; OBESITY risk factors; OVERWEIGHT persons
Subjects: IMMUNIZATION of children; DIPHTHERIA vaccines; POLIOMYELITIS vaccines
Subjects: ASTHMA; ETHNIC groups; INFANTS
Subjects: LATEX allergy; ALLERGIES; ASTHMA
Subjects: NUTRITION research; EPIDEMIOLOGY; PUBLIC health lawsUNITED States