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Global monitoring of the impact of the COVID-19 pandemic through online surveys sampled from the Facebook user base.
Astley CM, Tuli G, Mc Cord KA, Cohn EL, Rader B, Varrelman TJ, Chiu SL, Deng X, Stewart K, Farag TH, Barkume KM, LaRocca S, Morris KA, Kreuter F, Brownstein JS. Astley CM, et al. Among authors: barkume km. Proc Natl Acad Sci U S A. 2021 Dec 21;118(51):e2111455118. doi: 10.1073/pnas.2111455118. Proc Natl Acad Sci U S A. 2021. PMID: 34903657 Free PMC article.
A collisional family of icy objects in the Kuiper belt.
Brown ME, Barkume KM, Ragozzine D, Schaller EL. Brown ME, et al. Among authors: barkume km. Nature. 2007 Mar 15;446(7133):294-6. doi: 10.1038/nature05619. Nature. 2007. PMID: 17361177 Free article.