Maniscalco, P., et al. “The ‘Cascade’ Membrane: A New PRP Device for Tendon ruptures.Description and Case Report on Rotator Cuff Tendon”. Acta Biomedica Atenei Parmensis, vol. 79, no. 3, Dec. 2008, pp. 223-6, https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/1252.