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

Year Number of Results
2001 1
2002 3
2003 2
2004 2
2005 3
2006 2
2007 1
2008 2
2009 2
2010 1
2011 3
2012 4
2013 10
2014 10
2015 17
2016 27
2017 22
2018 21
2019 30
2020 57
2021 86
2022 66
2023 61
2024 14

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Page 1
Acupuncture and Doxylamine-Pyridoxine for Nausea and Vomiting in Pregnancy : A Randomized, Controlled, 2 × 2 Factorial Trial.
Wu XK, Gao JS, Ma HL, Wang Y, Zhang B, Liu ZL, Li J, Cong J, Qin HC, Yang XM, Wu Q, Chen XY, Lu ZL, Feng YH, Qi X, Wang YX, Yu L, Cui YM, An CM, Zhou LL, Hu YH, Li L, Cao YJ, Yan Y, Liu L, Liu YX, Liu ZS, Painter RC, Ng EHY, Liu JP, Mol BWJ, Wang CC. Wu XK, et al. Among authors: qi x. Ann Intern Med. 2023 Jul;176(7):922-933. doi: 10.7326/M22-2974. Epub 2023 Jun 20. Ann Intern Med. 2023. PMID: 37335994 Clinical Trial.
407 results