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Liu D, Chen K, Gong J, Huang L, Dong X, Wan Q, Qin X, Shi J, Zhang L, Wang Z. Right-to-left shunts in unexplained syncope: an age- and sex-matched case-control study. Quant Imaging Med Surg. 2022 Jul;12(7):3592–602. PMID: 35782252; PMCID: PMC9246723. |