Barrocoso, Helena, Maria João Martins, Lélita Santos, Fernando Santos, and Maria Helena Saldanha. 1999. “Big Cells Neuroendocrine Pulmonary Carcinoma With Multiorganic Dissemination”. Internal Medicine 6 (1). Lisboa, Portugal:24-26. https://revista.spmi.pt/index.php/rpmi/article/view/2032.