PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10491341-9 1999 EPO stimulated NO release from the resting HUVEC in a concentration- and time-dependent manner, an effect that was inhibited by the presence of N(G)-nitro-L-arginine. Nitroarginine 144-165 erythropoietin Homo sapiens 0-3