Devane J, Ryan M P
Br J Pharmacol. 1981 Feb;72(2):285-9. doi: 10.1111/j.1476-5381.1981.tb09127.x.
1 The potassium-sparing diuretics, triamterene and amiloride, reduced urinary magnesium excretion in conscious saline-loaded rats. 2 Urinary magnesium-conservation was also detected when amiloride was used in combination with the potent 'loop-blocking' diuretic, frusemide.