PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24666-6 1978 A fair correlation between the CEA levels determined by the solid-phase radioimmunoassay and zirconium phosphate gel method was observed. zirconium phosphate 93-112 CEA cell adhesion molecule 3 Homo sapiens 31-34