About how many such episodes of cough with phlegm that lasted 1 W or more have you had in the past 12Mo
about how many such episodes of cough with phlegm that lasted 1 w or more have you had in the past 12mo
About how many such episodes of cough with phlegm that lasted 1 week or more have you had in the past 12 months
about how many such episodes of cough with phlegm that lasted 1 week or more have you had in the past 12 months