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RationaleLittle is known about breastfeeding and asthma in Puerto Ricans, the ethnic group most affected by this disease in the US. We examined the relation between the currently recommended duration of breastfeeding and asthma in school‐aged Puerto Rican children.
MethodsCase‐control study of 1,127 Puerto Rican children aged 6–14 years living in Hartford, Connecticut (n = 449) and San Juan, Puerto...
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