PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16083312-11 2006 From the immunological markers listed above only the decreased level of alpha(2)-macroglobulin correlated to the extent of exposure to PAHs (r = -0.568, p<0.05). Polycyclic Aromatic Hydrocarbons 135-139 alpha-2-macroglobulin Homo sapiens 72-94