Alberto M, Farruggia B. Evaluation of polyethylene glycol phosphate aqueous two-phase systems in purifying pepsin from residues of the slaughter house. Cuban J. Agric. Sci. [Internet]. 2016 Dec. 27 [cited 2024 May 3];50(3). Available from: https://www.cjascience.com/index.php/CJAS/article/view/639