PubMed Central (PMC) Search Page
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1996 | 3 |
| 2000 | 212 |
| 2001 | 86 |
| 2002 | 83 |
| 2003 | 94 |
| 2004 | 153 |
| 2005 | 168 |
| 2006 | 198 |
| 2007 | 284 |
| 2008 | 214 |
| 2009 | 282 |
| 2010 | 390 |
| 2011 | 382 |
| 2012 | 609 |
| 2013 | 744 |
| 2014 | 711 |
| 2015 | 861 |
| 2016 | 970 |
| 2017 | 1359 |
| 2018 | 1140 |
| 2019 | 938 |
| 2020 | 780 |
| 2021 | 869 |
| 2022 | 573 |
| 2023 | 536 |
| 2024 | 393 |
| 2025 | 429 |
| 2026 | 297 |
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Publication date
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Publication stage
These filters represent the three primary types of content included in the PMC archive: 1) content published in a scholarly journal 2) peer-reviewed author manuscripts accepted for publication in a journal and 3) preprint versions of articles collected through the NIH Preprint Pilot, made public prior to peer review
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Collections
The PMC Open Access Subset includes journal articles and preprints that are made available under license terms that allow reuse. Historical back issues refers to digitized content from print journals made available in PMC through the Biomedical Journal Digitization Projects.
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"Cochrane Database Syst Rev"[Journal]
The embargo is the time during which the publisher retains exclusive rights to distribute articles. Those articles are made freely available on the PMC website after the embargo period has ended. Citations for articles under an embargo period will still display in the PMC results list by default. Choose “Exclude” to prevent embargoed articles from displaying in your results.
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Smoking cessation interventions in adults with attention deficit hyperactivity disorder (ADHD) or autism spectrum disorder (ASD).
- Milne S, Blake N, Jones E, Ingold C, Cihan B, Bridge L, Robinson JL, Taylor GM.
- Cochrane Database Syst Rev. 2026 Oct 22;10(10):CD016400. doi: 10.1002/14651858.CD016400.
- PMCID: PMC13688624
Milne S, et al.Cochrane Database Syst Rev. 2026.PMCID: PMC13688624 -
Hormone therapy in postmenopausal women and risk of endometrial hyperplasia or endometrial cancer.
- Kim D, Jordan V, Casciola F, Ferguson M, Humphries A, Bofill Rodriguez M, Wise MR.
- Cochrane Database Syst Rev. 2025 Oct 23;10(10):CD000402. doi: 10.1002/14651858.CD000402.pub5.
- PMCID: PMC12548017
Kim D, et al.Cochrane Database Syst Rev. 2025.PMCID: PMC12548017 -
Enhanced Recovery After Surgery (ERAS) pathways versus conventional perioperative care for colorectal resection.
- An S, Jung JH, Shin I, Kim WY, Won WS, Kim MH, Kim K; supported by Cochrane Colorectal Review Group.
- Cochrane Database Syst Rev. 2026 Oct 21;10(10):CD016406. doi: 10.1002/14651858.CD016406.
- PMCID: PMC13686609
An S, et al.Cochrane Database Syst Rev. 2026.PMCID: PMC13686609 -
Thermal stability and storage of adrenaline.
- Loftus MJ, Lambert P, Silk R, Ford LS, Metzendorf MI, Thomson D, Zubrinich CM, Cumpston MS; Supported by the Cochrane Planetary Health Thematic Group.
- Cochrane Database Syst Rev. 2026 Oct 21;10(10):CD016409. doi: 10.1002/14651858.CD016409.
- PMCID: PMC13685951
Loftus MJ, et al.Cochrane Database Syst Rev. 2026.PMCID: PMC13685951 -
Antibiotic therapy for pelvic inflammatory disease: a network meta-analysis.
- Papapanou M, Nikolakea M, Tsakiri I, Toulaki M, Syristatidi K, Siristatidis CS, Ziegelmann P, Ross J, Savaris RF.
- Cochrane Database Syst Rev. 2026 Oct 21;10(10):CD016401. doi: 10.1002/14651858.CD016401.
- PMCID: PMC13685952
Papapanou M, et al.Cochrane Database Syst Rev. 2026.PMCID: PMC13685952 -
Service delivery, behavioural, and self-management interventions for children with epilepsy.
- Fleeman N, Mayer J, Huang Y, Nevitt SJ, Panebianco M, Hill RA, Doherty AJ, Wilson N, Boland P, Clegg AJ, Bilsborough H, Williams EJ, Shaw EJ, Maden M, Kelly R, Marson AG.
- Cochrane Database Syst Rev. 2025 Oct 22;10(10):CD015287. doi: 10.1002/14651858.CD015287.pub2.
- PMCID: PMC12542328
Fleeman N, et al.Cochrane Database Syst Rev. 2025.PMCID: PMC12542328 -
Transfusion thresholds and other strategies for guiding red blood cell transfusion.
- Carson JL, Stanworth SJ, Dennis JA, Fergusson DA, Pagano MB, Roubinian NH, Turgeon AF, Valentine S, Trivella M, Dorée C, Hébert PC.
- Cochrane Database Syst Rev. 2025 Oct 20;10(10):CD002042. doi: 10.1002/14651858.CD002042.pub6.
- PMCID: PMC12536581
Carson JL, et al.Cochrane Database Syst Rev. 2025.PMCID: PMC12536581 -
Pharyngeal instillation of surfactant before the first breath for prevention of morbidity and mortality in preterm infants at risk of respiratory distress syndrome.
- Abdel-Latif ME, Osborn DA.
- Cochrane Database Syst Rev. 2011 Mar 16;2011(3):CD008311. doi: 10.1002/14651858.CD008311.pub2.
- PMCID: PMC13677249
Abdel-Latif ME, et al.Cochrane Database Syst Rev. 2011.PMCID: PMC13677249 -
Peri-operative glycaemic control regimens for preventing surgical site infections in adults.
- Kao LS, Meeks D, Moyer VA, Lally KP.
- Cochrane Database Syst Rev. 2009 Jul 8;2009(3):CD006806. doi: 10.1002/14651858.CD006806.pub2.
- PMCID: PMC2893384
Kao LS, et al.Cochrane Database Syst Rev. 2009.PMCID: PMC2893384 -
Personal assistance for adults (19-64) with both physical and intellectual impairments.
- Mayo-Wilson E, Montgomery P, Dennis J.
- Cochrane Database Syst Rev. 2008 Apr 16;2008(2):CD006860. doi: 10.1002/14651858.CD006860.pub2.
- PMCID: PMC13677167
Mayo-Wilson E, et al.Cochrane Database Syst Rev. 2008.PMCID: PMC13677167