PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21174824-0 2002 [Inhibitory action of metoprolol and gamma--aminobutyric acid on heart rhythm disorder induced by administration of endothelin-1 into rostral ventrolateral medulla in cats]. Metoprolol 22-32 endothelin 1 Felis catus 116-128