About: http://webisa.webdatacommons.org/246022129

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Phentolamine and trimethaphan camsylate are less commonly used today; however, they may be useful in particular situations such as catecholamine-induced hypertensive crises (i.e. pheochromocytoma) [3,7,27,50,51,57].
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov