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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1973 1
1981 1
1983 1
1984 2
1985 1
1987 1
2004 1
2006 1
2020 1
2021 2
2022 1
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12 results
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Page 1
Face masks considerably reduce COVID-19 cases in Germany.
Mitze T, Kosfeld R, Rode J, Wälde K. Mitze T, et al. Among authors: kosfeld r. Proc Natl Acad Sci U S A. 2020 Dec 22;117(51):32293-32301. doi: 10.1073/pnas.2015954117. Epub 2020 Dec 3. Proc Natl Acad Sci U S A. 2020. PMID: 33273115 Free PMC article.
Procainamide-induced thrombocytopenia.
Rosenstein R, Kosfeld RE, Leight L, Liu YK. Rosenstein R, et al. Among authors: kosfeld re. Am J Hematol. 1984 Feb;16(2):181-3. doi: 10.1002/ajh.2830160210. Am J Hematol. 1984. PMID: 6695917
Pregnancy in Henoch-Schönlein purpura.
Joseph G, Holtman JS, Kosfeld RE, Blodgett WA, Liu YK. Joseph G, et al. Among authors: kosfeld re. Am J Obstet Gynecol. 1987 Oct;157(4 Pt 1):911-2. doi: 10.1016/s0002-9378(87)80087-x. Am J Obstet Gynecol. 1987. PMID: 3674165
12 results