PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21894049-0 2011 KRAS mutation in metastatic pancreatic ductal adenocarcinoma: results of a multicenter phase II study evaluating efficacy of cetuximab plus gemcitabine/oxaliplatin (GEMOXCET) in first-line therapy. Oxaliplatin 152-163 KRAS proto-oncogene, GTPase Homo sapiens 0-4