COVID-19 screening of asymptomatic patients admitted through emergency departments in Alberta: a prospective quality-improvement study.
CMAJ Open. 2020 Dec 18;8(4):E887-E894. doi: 10.9778/cmajo.20200191. Print 2020 Oct-Dec.
CMAJ Open. 2020.
PMID: 33355274
Free PMC article.