PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28450960-8 2017 These results suggested that the effectiveness of PRP therapy may be improved by using chitosan with a DDA of 75-85% and an Mw of 50,000-190,000 Da. dda 103-106 complement component 4 binding protein alpha Homo sapiens 50-53