1. Advances in combined neuroendocrine carcinoma of lung cancer
   Zesen Han et al, 2024, Pathology and Oncology Research CrossRef
2. Case Report: Combined Small Cell Lung Carcinoma With Pulmonary Adenocarcinoma
   Cheng Shen et al, 2022, Frontiers in Surgery CrossRef
3. Small-Cell Carcinoma of the Lung: What We Learned about It?
   Luisella Righi et al, 2022, Acta Cytologica CrossRef