PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2696724-3	1989	It was shown that there was a positive correlation between the levels of serum and urine beta 2-MG and PaCO2 and a negative correlation between the levels of serum and urine beta 2-MG and PaO2.	paco2	103-108	beta-2-microglobulin	Homo sapiens	89-98