a randomized , double-blind , cross-over study comparing 50 mg hydrochlorothiazide plus 5 mg amiloride ( hctz/a ) with 50 mg hydrochlorothiazide plus 26 mmol potassium chloride ( hctz/k ) was conducted in 18 patients with mild essential hypertension ( diastolic pressure 90-105 mmhg ) .
C0717400
hydrochlorothiazide
C0020261
hctz