PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19245419-1 2009 SUMMARY BACKGROUND: Heparin-induced thrombocytopenia (HIT) is a life-threatening thrombotic illness caused by drug-dependent antibodies recognizing complexes of platelet factor 4 (PF4) and heparin. Heparin 20-27 platelet factor 4 Mus musculus 180-183