Current News SARS-CoV-2 infection causes immunodeficiency in recovered patients by downregulating CD19 expression in B cells via enhancing B-cell metabolism PubMed COVID-19 Clinical Care 2021-09-23 04:00:00 Tracheostomy in the COVID-19 Era: A Modified Approach PubMed COVID-19 Clinical Care 2021-09-23 04:00:00 Changes in academic performance in the online, integrated system-based curriculum implemented due to the COVID-19 pandemic in a medical school in Korea PubMed COVID-19 Clinical Care 2021-09-23 04:00:00 Detrimental changes to the health and well-being of healthcare workers in an Australian COVID-19 hospital PubMed COVID-19 Clinical Care 2021-09-23 04:00:00 Power and sample size calculation for the win odds test: application to an ordinal endpoint in COVID-19 trials PubMed COVID-19 Clinical Care 2021-09-23 04:00:00 Pagination First page « First Previous page ‹ Previous … Page 12789 Page 12790 Page 12791 Page 12792 Current page 12793 Page 12794 Page 12795 Page 12796 Page 12797 … Next page Next › Last page Last » PICO Search Aid Problem/Population Intervention Comparison Outcome