PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1815345-10 1991 The group at risk of toluene was characteristical in elevated concentrations of alpha-2-macroglobulin (A2M) and A1AT. Toluene 21-28 alpha-2-macroglobulin Homo sapiens 80-101