Makiyama, A. ., Kunieda, K. ., Noguchi, M. ., Kajiwara, T. ., Tamura, T. ., Takeda, K. ., … Esaki, T. . (2018). First-line chemotherapy with S-1 alone or S-1 plus cisplatin for elderly patients with advanced gastric cancer: a multicenter propensity score matched study. Gastric Cancer : Official Journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association. https://doi.org/10.1007/s10120-018-0797-y (Original work published 2018)

Yamamoto, S. ., Kawamura, Y. ., Yamamoto, K. ., Yamaguchi, Y. ., Tamura, Y. ., Izawa, S. ., … Kasugai, K. . (2021). Internet Survey of Japanese Patients With Chronic Constipation: Focus on Correlations Between Sleep Quality, Symptom Severity, and Quality of Life. Journal of Neurogastroenterology and Motility, 27(4), 602-611. https://doi.org/10.5056/jnm20135 (Original work published 2021)