Comments on: Silent hypoxia: pulse oximetry and its relation to COVID-19 in Singapore Published on 2023-07-042024-09-05 Journal: Singapore medical journal [저자] Giovanni Di Guardo [Category] update2024, PMC URL Pubmed URL DOI URL [DOI] 10.4103/singaporemedj.SMJ-2023-111 [Article Type] Letter to the Editor [Source] PMC All Keywords