https://www.lifestyleblog.it/blog/2022/01/evolved-by-nature-announces-ide-approval-from-the-fda-to-initiate-a-pivotal-clinical-trial-for-its-first-activated-silk-dermal-filler/
Evolved by Nature Announces IDE Approval from the FDA to Initiate a Pivotal Clinical Trial for its first Activated Silkā„¢ Dermal Filler