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Background Exposure to household domestic animals such as cats and dogs in early life may have some role in pathogenesis of asthma. Racial differences exist in the prevalence of asthma. We hypothesized that there may also be racial differences in pet ownership in families with asthma. Methods A cross sectional study was conducted from June 2011 to December 2014 on 823 of 850 (97%) families of children...
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