Park, H. J., Kim, S. m., Kim, H. R., Ji, W., & Choi, C. (2020). The value of preoperative spirometry testing for predicting postoperative risk in upper abdominal and thoracic surgery assessed using big-data analysis. J Thorac Dis.

Park, Hyung Jun, Sung min Kim, Hong Rae Kim, Wonjun Ji, ja Chang-Min Choi. "The Value of Preoperative Spirometry Testing for Predicting Postoperative Risk in Upper Abdominal and Thoracic Surgery Assessed Using Big-data Analysis." J Thorac Dis 2020.

Park, Hyung Jun, et al. "The Value of Preoperative Spirometry Testing for Predicting Postoperative Risk in Upper Abdominal and Thoracic Surgery Assessed Using Big-data Analysis." J Thorac Dis 2020.