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APA Citation
Jiang, L., Wei, X., He, P., Feng, D., Liu, Y., Liu, J., Chen, J., Yu, D., & Tan, N. (2017). value of pulmonary artery pressure in predicting in-hospital and one-year mortality after valve replacement surgery in middle-aged and aged patients with rheumatic mitral disease: an observational study. BMJ open, 7(5), . http://access.bl.uk/ark:/81055/vdc_100135155285.0x000006