PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
20134380-0	2010	Metformin-induced vitamin B12 deficiency presenting as a peripheral neuropathy.	Metformin	0-9	NADH:ubiquinone oxidoreductase subunit B3	Homo sapiens	26-29	
20134380-1	2010	Chronic metformin use results in vitamin B12 deficiency in 30% of patients.	Metformin	8-17	NADH:ubiquinone oxidoreductase subunit B3	Homo sapiens	41-44	
20134380-6	2010	To my knowledge, this is the first report of metformin-induced vitamin B12 deficiency causing neuropathy.	Metformin	45-54	NADH:ubiquinone oxidoreductase subunit B3	Homo sapiens	71-74