Sadeghi, Mohammad, and Hossein Hosseinzadeh. “Swelling Behaviour of a Novel Protein-Based Super Absorbent Hydrogel Composed of Poly(methacrylic Acid) and Collagen”. Asian Journal of Chemistry 22, no. 9 (July 7, 2010): 6734–6746. Accessed July 4, 2024. https://asianpubs.org/index.php/ajchem/article/view/11906.