Cita APA

Perng, C., Lin, H., Lo, W., Tseng, G., Sun, I., & Ou, Y. (2004). Genotypes of Helicobacter pylori in patients with peptic ulcer bleeding. World J Gastroenterol.

Chicago Style Citation

Perng, Chin-Lin, Hwai-Jeng Lin, Wen-Ching Lo, Guan-Ying Tseng, I-Chen Sun, i Yueh-Hsing Ou. "Genotypes of Helicobacter Pylori in Patients With Peptic Ulcer Bleeding." World J Gastroenterol 2004.

Cita MLA

Perng, Chin-Lin, et al. "Genotypes of Helicobacter Pylori in Patients With Peptic Ulcer Bleeding." World J Gastroenterol 2004.