PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
27187685-4	2016	Samples were analysed for levels of MMPs in corresponding citrate plasma and serum.	Citric Acid	58-65	matrix metallopeptidase 1	Homo sapiens	36-40	
27187685-8	2016	We conclude that future studies regarding MMPs as biological markers in cancer should consider the use of citrate plasma instead of serum.	Citric Acid	106-113	matrix metallopeptidase 1	Homo sapiens	42-46