APA (7th ed.) Citation

Chen, Y., Chen, C., Hu, R., Ho, M., & Jeng, Y. Elevated Preoperative Serum CA19-9 Levels in Patients with Hepatocellular Carcinoma Is Associated with Poor Prognosis after Resection. Wiley.

Chicago Style (17th ed.) Citation

Chen, Yu-Ling, Chien-Hung Chen, Rey-Heng Hu, Ming-Chih Ho, and Yung-Ming Jeng. Elevated Preoperative Serum CA19-9 Levels in Patients with Hepatocellular Carcinoma Is Associated with Poor Prognosis After Resection. Wiley.

MLA (9th ed.) Citation

Chen, Yu-Ling, et al. Elevated Preoperative Serum CA19-9 Levels in Patients with Hepatocellular Carcinoma Is Associated with Poor Prognosis After Resection. Wiley.

Warning: These citations may not always be 100% accurate.