Biological augmentation and therapeutics are being increasingly used in musculoskeletal and orthopaedic care. Platelet-rich plasma (PRP) is produced from centrifugation of peripheral blood. a process that concentrates platelets within autologous plasma. The process of PRP preparation is fundamental in controlling the contents. https://www.jmannino.com/best-grab-Kelway-SST-Salinity-Tester-top-mega/