Sta. Ines, Flora Mae, et al. “Targeted Sequencing of Mixed Neuroendocrine- Non-Neuroendocrine Neoplasm of the Gallbladder Suggests a Monoclonal Origin: A Case Report”. PJP, vol. 4, no. 2, Sept. 2019, pp. 48-53, doi:10.21141/PJP.2019.16.