| http://www.w3.org/ns/prov#value | - Use of other antibiotics (cephalosporins, penicillins, sulfas, erythromycins, and a combination of erythromycin ethylsuccinate and sulfisoxazole acetyl [Pediazole; Ross Laboratories, Division of Abbott Laboratories, Columbus, Ohio]) and other factors, including sex, family income at baseline (<$20 000, $20 000-$39 999, ???$40 000), mother???s age at birth of child, mother???s educational level at
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