PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22430193-8 2012 Of the 1338 HCC patients, 616 (46%) and 686 (51.3%) were sero-positive for AFP and HCCR-1, respectively. sero 57-61 alpha fetoprotein Homo sapiens 75-78