Walrand, S. (2021). Autumn COVID-19 surge dates in Europe correlated to latitudes, not to temperature-humidity, pointing to vitamin D as contributing factor. Nature Portfolio.
Chicago Style (17th ed.) CitationWalrand, Stephan. Autumn COVID-19 Surge Dates in Europe Correlated to Latitudes, Not to Temperature-humidity, Pointing to Vitamin D as Contributing Factor. Nature Portfolio, 2021.
MLA (8th ed.) CitationWalrand, Stephan. Autumn COVID-19 Surge Dates in Europe Correlated to Latitudes, Not to Temperature-humidity, Pointing to Vitamin D as Contributing Factor. Nature Portfolio, 2021.
Warning: These citations may not always be 100% accurate.