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

Year Number of Results
2011 151
2012 681
2013 997
2014 1145
2015 1464
2016 2076
2017 2657
2018 2575
2019 4302
2020 3622
2021 4299
2022 5099
2023 4022
2024 3958
2025 1636

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38,684 results

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Page 1
Bronchoscopy with and without needle-based confocal laser endomicroscopy for peripheral lung nodule diagnosis: protocol for a multicentre randomised controlled trial (CLEVER trial).
van Heumen S, Kramer T, Korevaar DA, Gompelmann D, Bal C, Hetzel J, Jahn K, Poletti V, Ravaglia C, Sadoughi A, Stratakos G, Bakiri K, Koukaki E, Anagnostopoulos N, Votruba J, Šestáková Z, Heuvelmans MA, Daniels JMA, de Bruin DM, Bonta PI, Annema JT. van Heumen S, et al. BMJ Open. 2024 Jul 4;14(7):e081148. doi: 10.1136/bmjopen-2023-081148. BMJ Open. 2024. PMID: 38964802 Free PMC article.
First-line treatment for femoroacetabular impingement syndrome and hip-related quality of life: study protocol for a multicentre randomised controlled trial comparing a 6-month supervised strength exercise intervention to usual care (the Better Hip Trial).
Foldager FN, Kierkegaard-Brøchner S, Kemp JL, van Tulder MW, Lund B, Mygind-Klavsen B, Bibby BM, Dalgas U, Mechlenburg I. Foldager FN, et al. BMJ Open. 2024 Jun 21;14(6):e078726. doi: 10.1136/bmjopen-2023-078726. BMJ Open. 2024. PMID: 38908842 Free PMC article.
The Canadian Lung Outcomes in Users of Vaping Devices (CLOUD) Study: protocol for a prospective, observational cohort study.
Burns P, Eddy RL, Li X, Yang J, Dhillon SS, Couillard S, Stickland MK, Guenette J, Svenningsen S, Tulloch T, Samji H, Meza R, Struik LL, Aaron S, Ho T, Lam S, Leipsic J, Maclean J, Afshar T, Moraes TJ, Zanette B, Santyr G, Counil FP, Hernandez Cordero AI, Matano S, de Arruda Maluf G, Leung C, Feng C, Bal L, Dhaliwal H, Mumuni A, Lui C, Drew H, Sin DD, Rayment JH, Leung JM. Burns P, et al. BMJ Open. 2025 Mar 6;15(3):e100568. doi: 10.1136/bmjopen-2025-100568. BMJ Open. 2025. PMID: 40050062 Free PMC article.
Selective early medical treatment of the patent ductus arteriosus in extremely low gestational age infants: a pilot randomised controlled trial protocol (SMART-PDA).
Mitra S, Hébert A, Castaldo M, Disher T, El-Naggar W, Dhillon S, Alhassen Z, Koo J, Katheria AC, Hyderi A, Kumaran K, Makoni M, Weisz DE, Jain A, Bacchini F, Cameron A, Hatfield T, Dorling J, McNamara PJ, Thabane L. Mitra S, et al. BMJ Open. 2024 Jul 24;14(7):e087998. doi: 10.1136/bmjopen-2024-087998. BMJ Open. 2024. PMID: 39053961 Free PMC article.
TWINGEN: protocol for an observational clinical biobank recall and biomarker cohort study to identify Finnish individuals with high risk of Alzheimer's disease.
Vuoksimaa E, Saari TT, Aaltonen A, Aaltonen S, Herukka SK, Iso-Markku P, Kokkola T, Kyttälä A, Kärkkäinen S, Liedes H, Ollikainen M, Palviainen T, Ruotsalainen I, Toivola A, Urjansson M, Vasankari T, Vähä-Ypyä H, Forsberg MM, Hiltunen M, Jalanko A, Kälviäinen R, Kuopio T, Lähteenmäki J, Nyberg P, Männikkö M, Serpi R, Siltanen S, Palotie A, Kaprio J, Runz H, Julkunen V; FinnGen. Vuoksimaa E, et al. BMJ Open. 2024 Jun 12;14(6):e081947. doi: 10.1136/bmjopen-2023-081947. BMJ Open. 2024. PMID: 38866570 Free PMC article.
38,684 results
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