PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
53843-6	1975	All the various CEA standards and samples cochromatographed on columns of Sepharose-6B, despite the large antigenic variation.	sepharose-6b	74-86	CEA cell adhesion molecule 3	Homo sapiens	16-19