=Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.
Headings (most frequently used words):
advanced, cell, medrxiv, wiley, oxford, elsevier, science, nature, bmj, lancet, search, jama, nejm, cdc, 19, covid, about, articles, languages,
Text of the page (most frequently used words):