PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19088952-7 2008 Alpha2-macroglobulin was significantly reduced for scaling and root planing and metronidazole after 3 and 6 months (P< .001). Metronidazole 80-93 alpha-2-macroglobulin Homo sapiens 0-20