PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8586472-5 1995 After 150 min and 14 days of treatment with clonidine, plasma levels of beta-endorphin, leucine-enkephalin increased significantly (< 0.01) and correlated negatively with the decrease of the mean artery pressure (r = -0.340 and r = -0.436 at 150 min, r = -0.369 and r = -0.441 on the 14th day, respectively, P < 0.01). Clonidine 44-53 proopiomelanocortin Homo sapiens 72-86