APA (7th ed.) Citation

Wei, W., Zhou, M., Jiang, T., Zheng, X., Zhang, A., Zhou, C. W., & Yao, H. Protocol for the derivation and external validation of a 30-day postoperative pulmonary complications (PPCs) risk prediction model for elderly patients undergoing thoracic surgery: A cohort study in southern China. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Wei, Wei, Ming Zhou, Tao Jiang, Xi Zheng, Anyu Zhang, Chao Wei Zhou, and HuaYong Yao. Protocol for the Derivation and External Validation of a 30-day Postoperative Pulmonary Complications (PPCs) Risk Prediction Model for Elderly Patients Undergoing Thoracic Surgery: A Cohort Study in Southern China. BMJ Publishing Group.

MLA (9th ed.) Citation

Wei, Wei, et al. Protocol for the Derivation and External Validation of a 30-day Postoperative Pulmonary Complications (PPCs) Risk Prediction Model for Elderly Patients Undergoing Thoracic Surgery: A Cohort Study in Southern China. BMJ Publishing Group.