Neut, D., E. J. Tijdens-Creusen, S. K. Bulstra, H. C. van der Mei, and H. J. Busscher. “Biofilms in Chronic Diabetic Foot ulcers—a Study of 2 Cases”. Acta Orthopaedica, vol. 82, no. 3, June 2011, pp. 383-5, doi:10.3109/17453674.2011.581265.