Finasteride 1 mg has no inhibitory effect on omeprazole metabolism in extensive and poor metabolizers for CYP2C19 in Japanese - T. Yasumori; H. Narita; T. Matsuda; T. Takubo; M. Ogawa; M. Ishii; K. Hara; Y. Ishii; K. Okuyama; G. Fujimoto; H. Ochiai; A. Kano; et al. (European Journal of Clinical Pharmacology, 2006)