1.Gottup, F. et al. Randomized controlled trial on collagen/oxidized regenerated cellulose/silver treatment. Wound Rep Reg 2013,21:1-10

2. Holmes C, Wrobel J, MacEachern M, Boles B. Collagen-based wound dressings for the treatment of diabetes-related foot ulcers: a systematic review. Diabetes Metabolic Syndrome and Obesity: Targets and Therapy 2013: 6 17-29