1. A Clinical Potential of the Anti-Cancer Drug Sensitivity Test for Patients with Endocrine Cell Carcinoma of the Rectum: Report of a Case
   Tomoharu Shimizu et al, 2010, Nihon Gekakei Rengo Gakkaishi (Journal of Japanese College of Surgeons) CrossRef
2. In Vitro Tumor Models: Advantages, Disadvantages, Variables, and Selecting the Right Platform
   Moriah E. Katt et al, 2016, Frontiers in Bioengineering and Biotechnology CrossRef