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APA Citation
Zhang, L., Jiang, S., Ren, C., Xiao, C., Wang, R., & Gao, C. (n.d.). aSSA14-06-01 Is Long-term Warfarin Therapy Necessary in Patients With Mitral Bioprosthetic Valves Plus Atrial Fibrillation?. Heart, 101, A29. http://access.bl.uk/ark:/81055/vdc_100135151690.0x000018