Thread Lifting Materials: A Review of Its Difference in Terms of Technical and Mechanical Perspective by Hong GW, Kim SB, Park SY, Wan J, Yi KH

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Comorbidities and Factors Determining Medical Expenses and Length of Stay for Admitted COVID-19 Patients in Korea by Jang SY, Seon JY, Yoon SJ, Park SY, Lee SH, Oh IH

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Epidemiological Characteristics and Transmission Patterns of COVID-19 Cases Among Children and Adolescents Aged 0–18 Years in South Korea by Jang J, Hwang MJ, Kim YY, Park SY, Yoo M, Kim SS, Lee S, Kwon D

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Maternal Strangulated Diaphragmatic Hernia with Gangrene of the Entire Stomach During Pregnancy: A Case Report and Review of the Recent Literature by Chae AY, Park SY, Bae JH, Jeong SY, Kim JS, Lee JS, Kim SJ, Lee SJ, Lee SH

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Intensive Care Unit Capacity and Its Associated Risk Factors During the COVID-19 Surge in the Republic of Korea: Analysis Using Nationwide Health Claims Data by Lee SH, Park SY, Seon JY, Jeon WH, Nam SI, Park JH, Park JS, Kim HY, Thakkar N, Selvaraj P, Bershteyn A, Oh IH

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