Sandström, R., Knutson, T. W., Knutson, L., Jansson, B., & Lennernäs, H. (1999). The effect of ketoconazole on the jejunal permeability and CYP3A metabolism of (R/S)-verapamil in humans. Blackwell Science Inc.

Sandström, Rikard, Tina W. Knutson, Lars Knutson, Britt Jansson, und Hans Lennernäs. The Effect of Ketoconazole On the Jejunal Permeability and CYP3A Metabolism of (R/S)-verapamil in Humans. Blackwell Science Inc, 1999.

Sandström, Rikard, et al. The Effect of Ketoconazole On the Jejunal Permeability and CYP3A Metabolism of (R/S)-verapamil in Humans. Blackwell Science Inc, 1999.