PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22170706-7 2012 RESULTS: There was a significant inverse correlation between plasma beta-endorphin levels during exercise and catecholamine release during subsequent hypoglycemia. Catecholamines 110-123 proopiomelanocortin Homo sapiens 68-82