If you look at a phlebotomy tray right now, you will likely encounter a ubiquitous ingredient: The Purple Top Tube. Is it safe? Why is it there? And, most importantly, is it safe for you and your family? This article https://amiehmzx639533.blogpayz.com/39435796/lavender-top-tubes-k2-vs-k3-edta-which-tube-to-use