Fig. 5From: Physical, mechanical, and biological properties of collagen membranes for guided bone regeneration: a comparative in vitro studyAnalysis of peptides identified by LC–MS after in vitro degradation of three collagen membranes. a Identified proteins and peptides. b Length distribution of peptides (amino acids). X-axis represents the length of the peptides, and y-axis represents count of peptides. c Protein origin distributionBack to article page