Paul A. Offit Quotes
If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it
If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it was pertussis. (Paul A. Offit)
If you've had a cough that lasted weeks, a cough that just doesn't seem to go away, chances are it