Journal article
2020-12-01T00:00:00+00:00
107
e644 - e645
Adolescent, Age Factors, COVID-19, Child, Child, Preschool, Coronavirus Infections, Cross Infection, Elective Surgical Procedures, Emergencies, Female, Humans, Internationality, Male, Pandemics, Perioperative Care, Pneumonia, Viral, Postoperative Complications, Prognosis, Risk Assessment, Sex Factors, Survival Analysis