Why do I keep coughing up clear phlegm with green specks? Its not a sinus infection and I can't find any information online. - Quora
For the past 2 days, I sometimes have small hair-like strands in my phlegm/ black dots. I also have an inflamed uvula and throat. I never smoked and otherwise I am generally
![Polymers | Free Full-Text | Composite Polymer for Hybrid Activity Protective Panel in Microwave Generation of Composite Polytetrafluoroethylene -Rapana Thomasiana Polymers | Free Full-Text | Composite Polymer for Hybrid Activity Protective Panel in Microwave Generation of Composite Polytetrafluoroethylene -Rapana Thomasiana](https://www.mdpi.com/polymers/polymers-13-02432/article_deploy/html/images/polymers-13-02432-g014.png)
Polymers | Free Full-Text | Composite Polymer for Hybrid Activity Protective Panel in Microwave Generation of Composite Polytetrafluoroethylene -Rapana Thomasiana
![Preparation of Cross Sections of Difficult Materials for SEM Imaging | Microscopy Today | Cambridge Core Preparation of Cross Sections of Difficult Materials for SEM Imaging | Microscopy Today | Cambridge Core](https://static.cambridge.org/content/id/urn%3Acambridge.org%3Aid%3Aarticle%3AS1551929518000500/resource/name/S1551929518000500_figAb.jpeg?pub-status=live)