coughing up brown phlegm smokercoughing up dark brown phlegmcoughing up phlegm with brown spotsbrown phlegm causescoughing up phlegm with brown bitscoughing up brown mucuscoughing up brown bloodbrown speckled phlegmcoughing up brown mucus in the morningbrown phlegm smokingcoughing up yellow brown mucuscoughing up brown mucus smoker
