30x40mm Neomem Flex Plus Resorbable Collagen Membrane
Porcine Collagen - China Porcine Collagen Powder | Made-in-China.com
Collagen Type I, Porcine, 30 mg – MD Bioproducts
Prosthesis | Free Full-Text | Effect of Mammalian Tissue Source on the Molecular and Macroscopic Characteristics of UV-Cured Type I Collagen Hydrogel Networks