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Observational studies

Three-dimensional evaluation of soft tissue contour changes after premolar extraction with and without alveolar ridge preservation: A prospective observational study

Yun-Jeong Kim, Mi Young Lee, Jae-Eun Chung, Jang-Hyun Kim, Ji-Man Park, Ki-Tae Koo, Young Ku

published 27 Feb 2026

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Using GDACS to anticipate clinical and operational burden after earthquakes: A global event-level analysis (2020–2024)

Ahmet Aykut, Ertuğ Günsoy, Cem Yıldırım

published 13 Jan 2026

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Cell salvage in bacterially contaminated surgical fields – A scoping review

Joeri Slob, Pim Hondebrink, Ankie W.M.M. Koopman – van Gemert, Margriet E. van Baar, Cornelis H. van der Vlies, Seppe S. H. A. Koopman

published 05 Jan 2026

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The impossible confounder: Quantifying the limits of alternative explanations for COVID-19 vaccine effectiveness

Tommaso Costa

published 04 Dec 2025

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The associations of premorbid social isolation and social support with self-rated health and heart failure outcomes in the atherosclerosis risk in communities (ARIC) Study

Kennedy M. Peter-Marske, Annie Green Howard, Kelly R. Evenson, Sara Jones Berkeley, Joanna Maselko, Mario Sims, Stuart D. Russell, Anna Kucharska-Newton, Kevin J. Sullivan, Wayne D. Rosamond

published 25 Nov 2025

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Association of ambulance and helicopter response times with patient survival: A systematic literature review and meta-analysis

Peter Martin Hansen, Martine Siw Nielsen, Marius Rehn, Annmarie Lassen, Anders Perner, Søren Mikkelsen, Anne Craveiro Brøchner

published 17 Nov 2025

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Benchmarking large-language-model vision capabilities in oral and maxillofacial anatomy: A cross-sectional study

Viet Anh Nguyen, Thi Quynh Trang Vuong, Van Hung Nguyen

published 28 Oct 2025

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Evaluating phone call follow-ups in Sub-Saharan Africa: A systematic review and meta-analysis

Adesola Zadiat Musa, Folahanmi Tomiwa Akinsolu, Abideen Oluwarotimi Salako, Olunike Rebecca Abodunrin, Oluwabukola Mary Ola, Oliver Chukwujekwu Ezechi

published 27 Oct 2025

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High prevalence of poor sleep quality and sleep deficit: A study in children, adolescents, and adult soccer players

Lúcio A. Cunha, Elisa A. Marques, João Brito, Michele Lastella, Pedro Figueiredo

published 10 Oct 2025

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Comparative effectiveness and safety of insulin reference biologics versus biosimilars for types 1 and 2 diabetes mellitus: Protocol for a systematic review of real-world studies

Martin K. H. Ho, Araniy Santhireswaran, Tara Gomes, Muhammad Mamdani, Mina Tadrous

published 30 Jul 2025

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The impact of brain-derived neurotrophic factor gene polymorphisms on post-stroke naming in aphasia

Matilda Randighieri, Alyssa Devine, Lindsey Kelly, Victoria Tilton-Bolowsky, Voss Neal, Joseph Kang, Julian Bösel, Argye Elizabeth Hillis, Melissa D. Stockbridge

published 14 Jul 2025

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Prevalence of symptom exaggeration among North American independent medical evaluation examinees: A systematic review of observational studies

Andrea J. Darzi, Li Wang, John J. Riva, Rami Z. Morsi, Rana Charide, Rachel J. Couban, Samer G. Karam, Kian Torabiardakani, Annie Lok, Shanil Ebrahim, Sheena Bance, Regina Kunz, Gordon H. Guyatt, Jason W. Busse

published 25 Jun 2025

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Instability of estimation results based on caliper matching with propensity scores

Kazushi Maruo, Yusuke Yamaguchi, Ryota Ishii, Masahiko Gosho

published 06 Jun 2025

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