PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26516441-12 2015 We recommend selective oral administration of vasopressin V2-receptor antagonist, tolvaptan, which acts to increase the excretion of free water, thereby resolving hypervolemic hyponatremia and may have the potential to improve outcomes in these patients. free 133-137 arginine vasopressin receptor 2 Homo sapiens 46-69