Academic Articles & Research Papers

Connect perspective of mixed methods research and systematic observation of participatory interaction.

Izquierdo C, Tronchoni H • Frontiers in psychology (2026)

PMC PMC Public Access (View-Only) DOI: 10.3389/fpsyg.2026.1937320 PMC: PMC13736620

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Premature mortality from acute myocardial infarction and psychoactive substance use in the United States: An observational trend (1999-2023) and forecasting (2035) study.

Sapkota S, Chennareddy V, Paudel S, Acharya S et al. • JRSM cardiovascular disease (2026)

PMC PMC Public Access (View-Only) DOI: 10.1177/20480040261485004 PMC: PMC13535039

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Research productivity and impact of rehabilitation science faculty across Canada: An observational study of publicly available and survey data.

Kowalski KL, MacDermid JC, Trefiak L, Albuquerque S et al. • PloS one (2026)

PMC PMC Public Access (View-Only) DOI: 10.1371/journal.pone.0357806 PMC: PMC13577373

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Resolving circumarctic zero-curtain phenomena with AI-integrated earth observations.

Gay BA, Miner KR, Rietze N, Poulter B et al. • Scientific reports (2026)

PMC PMC Public Access (View-Only) DOI: 10.1038/s41598-026-61719-9 PMC: PMC13578318

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Ileostomy creation for rectal cancer in England: An observational study of variation, and correlates using administrative data.

Olagunju N, Cheetham M, Savage K, Briggs TWR et al. • Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland (2026)

PMC PMC Public Access (View-Only) DOI: 10.1111/codi.70622 PMC: PMC13578521

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Beyond "No Unmeasured Confounding": Challenges and Opportunities for Cornfield-Style Reasoning in Modern Causal Inference.

Hettinger GCN, Renson A, Susmann HP, Díaz I • Observational studies (2026)

PMC PMC Public Access (View-Only) DOI: 10.1353/obs.00011 PMC: PMC13600448

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Commentary: Smoking and Lung Cancer: A Historical Perspective.

Greenhouse JB, Phillips CJ • Observational studies (2026)

PMC PMC Public Access (View-Only) DOI: 10.1353/obs.00002 PMC: PMC13600452

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Oral Structural and Functional Impairment in Relation to Depressive Outcomes in Older Adults: A Systematic Review and Meta-Analysis of Observational Studies.

Moroianu LA, Dragus L, Rosca S, Negraia MR et al. • Diseases (Basel, Switzerland) (2026)

PMC PMC Public Access (View-Only) DOI: 10.3390/diseases14090309 PMC: PMC13605695

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Multi source Earth observation and machine learning framework for mapping land degradation vulnerability in salinity- and hydrothermal-stressed regions of the southern main Ethiopian Rift.

Moged Reda T, Tadese A, Haimanote W, Jothimani M et al. • PloS one (2026)

PMC PMC Public Access (View-Only) DOI: 10.1371/journal.pone.0359349 PMC: PMC13606993

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Use of mHealth Apps by General and Family Medicine Physicians in Portugal: Observational Cross-Sectional Quantitative Study.

Taveira É, Dutra I, Rêgo S • JMIR formative research (2026)

PMC PMC Public Access (View-Only) DOI: 10.2196/88760 PMC: PMC13626549

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Adjuvant immunotherapy versus observation after neoadjuvant therapy and esophagectomy for esophageal cancer with residual pathologic disease: a systematic review and reconstructed individual participant data meta-analysis.

He H, Zhang H, Lv H, Wang W • Frontiers in immunology (2026)

PMC PMC Public Access (View-Only) DOI: 10.3389/fimmu.2026.1944032 PMC: PMC13646074

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Systemwide Evaluation of Field Medicine Programs in Los Angeles County: Protocol for a Mixed Methods Longitudinal Observational Study.

Kuhn R, Chien J, Del Mastro N I, Saluja S et al. • JMIR research protocols (2026)

PMC PMC Public Access (View-Only) DOI: 10.2196/94248 PMC: PMC13664992

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Predictors of routine HPV-based cervical cancer screening adoption in federally qualified health centers within a multi-state practice research network 2012-2022: retrospective observational study.

Shin MB, Volpi CR, Szewczyk W, Hannon PA et al. • BMC primary care (2026)

PMC PMC Public Access (View-Only) DOI: 10.1186/s12875-026-03452-w PMC: PMC13673636

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Earth-observation variables identify temperature-centered protein-family covariation across macroalgal genomes.

Mystikou A, Nelson DR, El Assal DC, Jaiswal AK et al. • iScience (2026)

PMC PMC Public Access (View-Only) DOI: 10.1016/j.isci.2026.117777 PMC: PMC13676742

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A single-center before-and-after study of physiology-first algorithmic surveillance versus standard observation for arteriovenous fistula maturation.

Kramer AD, Cunningham T • Journal of vascular surgery cases and innovative techniques (2026)

PMC PMC Public Access (View-Only) DOI: 10.1016/j.jvscit.2026.102487 PMC: PMC13677012

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'Anything to Help Find a Cure' or 'It Doesn't Seem Worth It': an observational qualitative analysis using behaviour theory to understand motivation and barriers to observational cohort study participation.

JaKa MM, Henderson MSG, Fidler SJ, Gaudet MM et al. • BMJ open (2026)

PMC PMC Public Access (View-Only) DOI: 10.1136/bmjopen-2026-123913 PMC: PMC13684182

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Observational study of the coverage rate and survival analysis of COVID-19 vaccination among Indigenous people in Roraima, 2021-2023 Individual and contextual factors and professional qualification completion for obesity management: a cross-sectional study, Brazil, 2021-2022.

Silva ARE, Ferreira NL, de Freitas PP, Lopes MS et al. • Epidemiologia e servicos de saude : revista do Sistema Unico de Saude do Brasil (2026)

PMC PMC Public Access (View-Only) DOI: 10.1590/S2237-96222026v35e20251154.en PMC: PMC13686389

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Digital Campaign to Promote COVID-19 Vaccination and Clinical Trial Participation Among Vietnamese Americans: Observational Engagement Study.

Tehami S, Nguyen C, Hua J, Pham PV et al. • Journal of medical Internet research (2026)

PMC PMC Public Access (View-Only) DOI: 10.2196/90301 PMC: PMC13689936

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'Leading by Leveraging Situations': A Participant Observation Study Exploring How Registered Nurses Lead Close to Older Adults in Municipal Home Healthcare.

Stien T, Herulf Scholander L, Jonasson LL, Josefsson K • International journal of older people nursing (2026)

PMC PMC Public Access (View-Only) DOI: 10.1111/opn.70102 PMC: PMC13696837

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Does Wind Disrupt Overwintering Monarch Butterfly Clusters? An Observational Study of Western Monarchs.

Nessen K, Ibsen PC, Diffendorfer JE, Villablanca FX • Insects (2026)

PMC PMC Public Access (View-Only) DOI: 10.3390/insects17100993 PMC: PMC13704909

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