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Each batch is third-party tested at 99% purity, with the Certificate of Analysis available to view in our CoA library

Arthroscopy 32(3):495505 Dragoo JL, Wasterlain AS, Braun HJ, Nead KT (2014) Platelet-rich plasma as a treatment for patellar tendinopathy: a double-blind, randomized controlled trial

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The COA should include batch numbers matching the product received and testing from recognized laboratories