PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34975560-7 2021 Participants received a 10 mg single dose of the alpha-2 antagonist yohimbine that increases noradrenergic activity or placebo on 2 separate days, with ECG recordings before and after drug administration at defined intervals. Yohimbine 68-77 glycoprotein hormone subunit alpha 2 Homo sapiens 49-56