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. 2023 Mar 29;13:5120. doi: 10.1038/s41598-023-32223-1

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Monthly number and proportion of patients admitted via the EMS receiving PCI on the day of admission. The gray area indicates the monthly number of COVID-19 patients in Sapporo city. (A) Acute coronary syndrome, (B) acute myocardial infarction, (C) STEMI, (D) NSTEMI/UAP. NSTEMI non-ST elevation myocardial infarction, PCI percutaneous coronary intervention, STEMI ST elevation myocardial infarction, UAP unstable angina pectoris.