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Figure 2: Total sample and subgroups. Total sample: 60 subjects, 13 report asthma, 47 do not. Total sample subdivided: 13 report asthma, Remainder 47: 30 have cough and other asthma symptoms, 11 have cough only, and 6 have no cough or other asthma symptoms. Cough: 53/60 subjects had cough.