Ashida, K., Sakurai, Y., Nishimura, A., Kudou, K., Hiramatsu, N., Umegaki, E., . . . Chiba, T. (2015). Randomised clinical trial: A dose‐ranging study of vonoprazan, a novel potassium‐competitive acid blocker, vs. lansoprazole for the treatment of erosive oesophagitis. Aliment Pharmacol Ther.

Ashida, K., Y. Sakurai, A. Nishimura, K. Kudou, N. Hiramatsu, E. Umegaki, K. Iwakiri, and T. Chiba. "Randomised Clinical Trial: A Dose‐ranging Study of Vonoprazan, a Novel Potassium‐competitive Acid Blocker, Vs. Lansoprazole for the Treatment of Erosive Oesophagitis." Aliment Pharmacol Ther 2015.

Ashida, K., et al. "Randomised Clinical Trial: A Dose‐ranging Study of Vonoprazan, a Novel Potassium‐competitive Acid Blocker, Vs. Lansoprazole for the Treatment of Erosive Oesophagitis." Aliment Pharmacol Ther 2015.