N1-methylnicotinamide as an endogenous probe for drug interactions by renal cation transporters: studies on the metformin–trimethoprim interaction

The determination of enzyme inhibitor constants

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Reduction of metformin renal tubular secretion by cimetidine in man.

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Contribution of the organic anion transporter OAT2 to the renal active tubular secretion of creatinine and mechanism for serum creatinine elevations caused by cobicistat

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