Cita APA

Wu, Z., Ma, J., Yang, J., Zhao, Y., & Zhang, S. (2004). Primary small cell carcinoma of esophagus: Report of 9 cases and review of literature. World J Gastroenterol.

Citación estilo Chicago

Wu, Zhu, Jian-Yang Ma, Jun-Jie Yang, Yong-Fan Zhao, and Shang-Fu Zhang. "Primary Small Cell Carcinoma of Esophagus: Report of 9 Cases and Review of Literature." World J Gastroenterol 2004.

Cita MLA

Wu, Zhu, et al. "Primary Small Cell Carcinoma of Esophagus: Report of 9 Cases and Review of Literature." World J Gastroenterol 2004.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.