“Phase II Study of Irinotecan in Combination With Capecitabine on a 3-Weekly Schedule As First-Line Chemotherapy for Patients With Metastatic or Locally Advanced Colorectal Cancer”. Journal of Analytical Oncology 2, no. 3 (August 28, 2013):  151–159. Accessed October 10, 2025. https://mail.neoplasiaresearch.com/index.php/jao/article/view/80.