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

Year Number of Results
2006 1
2008 2
2009 3
2010 3
2011 7
2012 3
2013 5
2014 1
2015 2
2016 3
2017 6
2018 3
2019 3
2020 4
2021 4
2022 3
2023 4
2024 2
2025 0

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57 results

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Page 1
Non-clinical interventions for reducing unnecessary caesarean section.
Chen I, Opiyo N, Tavender E, Mortazhejri S, Rader T, Petkovic J, Yogasingam S, Taljaard M, Agarwal S, Laopaiboon M, Wasiak J, Khunpradit S, Lumbiganon P, Gruen RL, Betran AP. Chen I, et al. Among authors: opiyo n. Cochrane Database Syst Rev. 2018 Sep 28;9(9):CD005528. doi: 10.1002/14651858.CD005528.pub3. Cochrane Database Syst Rev. 2018. PMID: 30264405 Free PMC article.
Corticosteroids for preterm deliveries: missing evidence.
Opiyo N, Stones W. Opiyo N, et al. Cochrane Database Syst Rev. 2017 May 3;5(5):ED000121. doi: 10.1002/14651858.ED000121. Cochrane Database Syst Rev. 2017. PMID: 28497861 Free PMC article. No abstract available.
A comparative evaluation of PDQ-Evidence.
Johansen M, Rada G, Rosenbaum S, Paulsen E, Motaze NV, Opiyo N, Wiysonge CS, Ding Y, Mukinda FK, Oxman AD. Johansen M, et al. Among authors: opiyo n. Health Res Policy Syst. 2018 Mar 15;16(1):27. doi: 10.1186/s12961-018-0299-8. Health Res Policy Syst. 2018. PMID: 29544510 Free PMC article. Clinical Trial.
Accessing and understanding the evidence.
Duke T, Campbell H, Ayieko P, Opiyo N, English M, Kelly J, Carai S, Tamburlini G, Weber M. Duke T, et al. Among authors: opiyo n. Bull World Health Organ. 2006 Dec;84(12):922. doi: 10.2471/blt.06.037515. Bull World Health Organ. 2006. PMID: 17242822 Free PMC article. No abstract available.
WHO's Robson platform for data-sharing on caesarean section rates.
Opiyo N, Torloni MR, Robson M, Ladfors L, Gholbzouri K, Kacerauskiene J, Vila-Candel R, Kessler J, Lucovnik M, Betrán AP. Opiyo N, et al. Bull World Health Organ. 2022 May 1;100(5):352-354. doi: 10.2471/BLT.21.287742. Epub 2022 Apr 4. Bull World Health Organ. 2022. PMID: 35521038 Free PMC article. No abstract available.
57 results