Nora Ramkita, et al. “Superior Vena Cava Syndrome in Men With Thymic Atypical Carcinoid (Neuroendocrine Tumor Grade 2)”. Jurnal RSMH Palembang, vol. 3, no. 2, Dec. 2022, pp. 235-41, https://jurnal.rsmh.co.id/index.php/jrp/article/view/46.