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

Year Number of Results
1970 1
1976 1
1981 1
1982 2
1983 1
1984 2
1986 3
1987 3
1988 4
1989 1
1990 4
1991 9
1992 6
1993 5
1994 9
1995 12
1996 11
1997 9
1998 15
1999 24
2000 10
2001 13
2002 17
2003 27
2004 26
2005 45
2006 41
2007 42
2008 69
2009 70
2010 80
2011 110
2012 161
2013 162
2014 179
2015 223
2016 222
2017 260
2018 322
2019 337
2020 394
2021 434
2022 566
2023 601
2024 709
2025 432

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Page 1
Dynamics of Crossed Acquired Immunity Against SARS-CoV-2 Variants: From Vaccine to Hybrid Immunity in China.
Wang H, Zhang Z, Gan M, Cui Z, Wu B, Feng S, Xu J, Cao J, Wen Y, Wang Z, Li J, Di D, Peng S, Lei J, Yang G, Zhao Y, Song X, Kang X, Liu M, Wang Y, Yuan T, Zhou T, Liu S, Liu Q, Yi J, Li X, Cai H, Chen Q, Long P, Yuan Y, Cheng S, Wang C, Gong R, Wang Q, Fan X, Wu T, Liu L. Wang H, et al. Among authors: lei j. J Med Virol. 2025 Jul;97(7):e70487. doi: 10.1002/jmv.70487. J Med Virol. 2025. PMID: 40631700
Short-term exposure to ambient air pollution increased in-hospital non-ST-elevation myocardial infarction mortality risk, but not ST-elevation myocardial infarction: case-crossover based evidence from Beijing, China.
Zhao Y, Chen Y, Liu Y, Tang S, Han Y, Zhuang Y, Fu J, Chang Z, Zhao X, Lei J, Fan Z. Zhao Y, et al. Among authors: lei j. Front Public Health. 2025 Jun 20;13:1613082. doi: 10.3389/fpubh.2025.1613082. eCollection 2025. Front Public Health. 2025. PMID: 40620562 Free PMC article.
5,088 results