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Observational studies

Call on me! Undergraduates’ perceptions of voluntarily asking and answering questions in front of large-enrollment science classes

Erika M. Nadile, Emilie Alfonso, [ ... ], Katelyn M. Cooper

(TIMP2) x (IGFBP7) as early renal biomarker for the prediction of acute kidney injury in aortic surgery (TIGER). A single center observational study

Jan Waskowski, Carmen A. Pfortmueller, [ ... ], Joerg C. Schefold

Propensity score matching in otolaryngologic literature: A systematic review and critical appraisal

Aman Prasad, Max Shin, [ ... ], Karthik Rajasekaran

Personality and the use of cancer screenings. A systematic review

André Hajek, Benedikt Kretzler, Hans-Helmut König

Heart failure medication after a first hospital admission and risk of heart failure readmission, focus on beta-blockers and renin-angiotensin-aldosterone system medication: A retrospective cohort study in linked databases

Willemien J. Kruik-Kollöffel, Job van der Palen, [ ... ], Gerard C. M. Linssen

Infant-adult synchrony in spontaneous and nonspontaneous interactions

Zamara Cuadros, Esteban Hurtado, Carlos Cornejo

A multicenter, randomized, open-label, controlled trial to evaluate the efficacy and tolerability of hydroxychloroquine and a retrospective study in adult patients with mild to moderate coronavirus disease 2019 (COVID-19)

Cheng-Pin Chen, Yi-Chun Lin, [ ... ], on behalf of the Taiwan HCQ Study Group

Is reporting quality in medical publications associated with biostatisticians as co-authors? A registered report protocol

Ulrike Held, Klaus Steigmiller, [ ... ], Eva Furrer

Temporal artery temperature measurements versus bladder temperature in critically ill patients, a prospective observational study

Eline G. M. Cox, Willem Dieperink, [ ... ], Wolter Paans

Peripheral blood levels of brain-derived neurotrophic factor in patients with post-traumatic stress disorder (PTSD): A systematic review and meta-analysis

Helia Mojtabavi, Amene Saghazadeh, [ ... ], Nima Rezaei

Effect of a brief cognitive behavioral program on depressive symptoms among newly licensed registered nurses: An observational study

Kosei Esaki, Masashi Ikeda, [ ... ], Nakao Iwata

Comparison of efficacy and safety of laparoscopic excision and open operation in children with choledochal cysts: A systematic review and update meta-analysis

Rui Sun, Na Zhao, [ ... ], Long Li

Association between procalcitonin levels and duration of mechanical ventilation in COVID-19 patients

Martin Krause, David J. Douin, [ ... ], Karsten Bartels

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