All Keywords
【저자키워드】 COVID-19, SARS-CoV-2, Biomarker, surgery, risk, perioperative complications, 【제목키워드】 Stratification, individual,
【저자키워드】 COVID-19, SARS-CoV-2, Biomarker, surgery, risk, perioperative complications, 【제목키워드】 Stratification, individual,