Metabolomic profile and its association with the diagnosis of prostate cancer: a systematic review by Angela Patricia Salinas Pita, Mildrey Mosquera Escudero, Eliecer Jiménez-Charris, Herney Andrés García-Perdomo

“…We included Clinical trials and analytical and descriptive observational studies that reported metabolite results and metabolite profiles in serum, tissue, urine, and seminal fluid. …”
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Hypotheses and evidence related to intense sweeteners and effects on appetite and body weight changes: A scoping review of reviews. by Annhild Mosdøl, Gunn Elisabeth Vist, Camilla Svendsen, Hubert Dirven, Inger Therese Laugsand Lillegaard, Gro Haarklou Mathisen, Trine Husøy

“…Apart from the observational studies, the presented primary evidence in humans is dominated by small studies with short follow-up-considered insufficient to assess weight change. …”
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Association between NSAIDs and Clostridium difficile-Associated Diarrhea: A Systematic Review and Meta-Analysis by Nitipong Permpalung, Sikarin Upala, Anawin Sanguankeo, Suthanya Sornprom

“…Methods. Relevant observational studies indexed in PubMed/MEDLINE and EMBASE up to February 2015 were analyzed and data were extracted from nine studies. …”
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Medical versus surgical methods of early abortion: protocol for a systematic review and environmental scan of patient decision aids by Rachel Thompson, Kyla Z Donnelly

“…We plan to undertake a systematic review of peer-reviewed literature to identify, appraise and describe the impact of early abortion method decision aids evaluated quantitatively (Part I), and an environmental scan to identify and appraise other early abortion method decision aids developed in the US (Part II).Methods and analysis For the systematic review, we will search PubMed, Cochrane Library, CINAHL, EMBASE and PsycINFO databases for articles describing experimental and observational studies evaluating the impact of an early abortion method decision aid on women's decision-making processes and outcomes. …”
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Monoclonal Antibodies in Prevention and Early Treatment of COVID-19 in Lung Transplant Recipients: A Systematic Review and Perspective on the Role of Monoclonal Antibodies in the F... by David A. Van Eijndhoven, Robin Vos, Robin Vos, Saskia Bos, Saskia Bos

“…Early treatment of COVID-19 with mAbs correlated with a reduced incidence of severe COVID-19 outcomes, although statistical significance varied among studies. Overall, observational studies have demonstrated a potential benefit of mAbs in the treatment of COVID-19 in LTR, both in prophylaxis and early treatment, as well as the importance of early administration. …”
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Relationship between Shoulder Pain, Trunk and Lower Limb Pain in Overhead Athletes: A Systematic Review with Meta-analysis by Marine Leroux, Franck Lagniaux

“… # Study Design Systematic Review and Meta-analysis # Methods A systematic review was conducted in the PubMed/MEDLINE, Science Direct and CENTRAL/Cochrane databases for observational studies. Search terms included sports-related terms (e.g., 'overhead', 'baseball', 'volleyball', 'handball') and injury-related terms (e.g., 'injury history', 'shoulder pain', 'lower limb pain', 'hip pain', 'knee pain', 'ankle pain', 'foot pain', 'trunk pain'). …”
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Practice Variations in the Use of Novel Oral Anticoagulants for Nonvalvular Atrial Fibrillation-Related Stroke among Stroke Neurologists in Saudi Arabia by Mohammed H. Alanazy, Taim Muayqil

“…In conclusion, the practice of stroke neurologists is consistent with and supports the available evidence from observational studies on the time of initiation of NOACs. …”
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Quality of Life in Wilson’s Disease: A Systematic Literature Review by Chakrapani Balijepalli, Kevin Yan, Lakshmi Gullapalli, Stephane Barakat, Helene Chevrou-Severac, Eric Druyts

“…**Methods:** To address this gap in the literature, we conducted a systematic literature review in MEDLINE and EMBASE to identify observational studies and clinical trials reporting QOL outcomes among people living with WD. …”
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The Causal Relationship between Immune-Mediated Inflammatory Diseases and Aortic Aneurysm: A Bidirectional Two-Sample Mendelian Randomization Study by Sijia Sun, Jie Li, Mengxian Sun, Jie He, Songtao Tan, Ge Wang, Yuan Zheng, Xiaoping Fan

“…Background and Objective. Observational studies have frequently linked aortic aneurysm (AA) to immune-mediated inflammatory diseases (IMIDs) as a cardiovascular complication. …”
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What is the Injury Incidence and Profile in Professional Male Ice Hockey? A Systematic Review. by Marco Cattaneo, Carlo Ramponi, Kristian Thorborg

“…The modified Newcastle Ottawa Scale for cohort studies and the Strengthening the Reporting of Observational Studies in Epidemiology - Sports Injury and Illness Surveillance Statement were used to assess the methodological quality of the studies…”
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Major heavy metals and human gut microbiota composition: a systematic review with nutritional approach by Mahsa Rezazadegan, Bita Forootani, Yeganeh Hoveyda, Niloufar Rezazadegan, Reza Amani

“…Therefore, we carried out a systematic review of human observational studies to examine this association. Main body of the abstract PubMed, Scopus, ISI Web of Science, and Google Scholar were searched using Medical Subject Headings (MeSH) and non-MeSH terms. …”
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MEDICAL STUDENTS’ SUICIDES –A SYSTEMATIC REVIEW by ANNIKA MARTIN, ERIKA JÄÄSKELÄINEN, JOUKO MIETTUNEN, SAARA KAAKINEN, TUULA HURTIG, ANU-HELMI HALT

“…The guidelines of the Meta-analysis Of Observational Studies in Epidemiology (MOOSE) were applied throughout. …”
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MiCML: a causal machine learning cloud platform for the analysis of treatment effects using microbiome profiles by Hyunwook Koh, Jihun Kim, Hyojung Jang

“…We also stress that MiCML can handle the data from either randomized controlled trials or observational studies. Conclusion We describe MiCML as a useful analytic tool for microbiome-based personalized medicine. …”
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Mycobacterium avium Complex Infection in a Patient with Sickle Cell Disease and Severe Iron Overload by Kamal Shemisa, Nasima Jafferjee, David Thomas, Gretta Jacobs, Howard J. Meyerson

“…Both experimental and clinical evidence suggest a possible link to iron overload and mycobacterial infections; however larger observational studies are necessary to determine true causality.…”
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Self-managed physical activity in cancer survivors for the management of cancer-related fatigue: A scoping review. by Isabella Campanini, Maria Bernadette Ligabue, Maria Chiara Bò, Maria Chiara Bassi, Mirco Lusuardi, Andrea Merlo

“…<h4>Results</h4>Of the 543 experimental or observational studies screened, 63 were included. Of these forty-three studies were randomized controlled trials. …”
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PRESBYACOUSSIS: JUSTIFICATION OF DIAGNOSIS IN SCREENING CONDITIONS by K.E. Gubskaya, M.M. Baibulov, Dinara Urazalina, Gulnara Tuleshova

“…After selection and analysis, the results of 6 studies were taken into work, including 3 randomized clinical trials and 3 observational studies. Taking into account global trends, an analysis of the validity of the search for effective methods for diagnosing presbycusis was carried out. …”
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Primary dysmenorrhea pain profile among Brazilian women. Case-control study by Flávia Rezende Moura Mesquita Rafael, Natalia Oliveira Bertolini, Samuel Silva, Renato Carvalho Vilella1

“…METHODS: Following the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE), this one-year case-control study aimed to establish relationships between PD variables and pain categories (light, moderate, and severe) among 252 Brazilian women. …”
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Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA): A Targeted Antioxidant Strategy to Counter Oxidative Stress in Retinopathy by Marco Zeppieri, Caterina Gagliano, Fabiana D’Esposito, Mutali Musa, Irene Gattazzo, Maria Sole Zanella, Federico Bernardo Rossi, Alessandro Galan, Silvia Babighian

“…Reviewing clinical trials and observational studies that support the protective role of omega-3s in retinal disorders is essential. …”
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Coffee and its Biologically Active Components: Is There a Connection to Breast, Endometrial, and Ovarian Cancer? - a Review by Anna Maria Witkowska, Iwona Mirończuk-Chodakowska, Katarzyna Maria Terlikowska, Kamila Kulesza, Małgorzata Elżbieta Zujko

“…Publications on coffee composition, coffee preparation and brewing methods, in vitro and in vivo experiments with the use of substances naturally present in coffee, observational studies, and meta-analyses were collected. …”
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Vitamin B12, Folate, Homocysteine, and Bone Health in Adults and Elderly People: A Systematic Review with Meta-Analyses by J. P. van Wijngaarden, E. L. Doets, A. Szczecińska, O. W. Souverein, M. E. Duffy, C. Dullemeijer, A. E. J. M. Cavelaars, B. Pietruszka, P. van't Veer, A. Brzozowska, R. A. M. Dhonukshe-Rutten, C. P. G. M. de Groot

“…Twenty-seven eligible cross-sectional (n=14) and prospective (n=13) observational studies and one RCT were identified. Meta-analysis on four prospective studies including 7475 people showed a modest decrease in fracture risk of 4% per 50 pmol/L increase in vitamin B12 levels, which was borderline significant (RR = 0.96, 95% CI = 0.92 to 1.00). …”
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