"Essential Hypertension"^^ . "Finding"^^ . "Essential Hypertension"^^ . "Essential HypertensionPTNCI" . . "C3478"^^ . "Essential_Hypertension"^^ . . "Primary HypertensionSYNCI" . "C0085580"^^ . . "hypertension occurring without preexisting renal disease or known organic cause.CSP2003" .