_:vb50947201 . _:vb50947201 "A hypertension that is characterized by rapid onset of extremely high blood pressure."^^ . _:vb50947201 "url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C3118"^^ . _:vb50947201 . _:vb50947201 . _:vb50947201 . _:vb50947201 .