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  1. 574321
    “…Studies have shown that only 6% who are investigated serologically for HIT actually have the diagnosis. We conducted this study to assess the incidence and risk factors for HIT in COVID-19 positive patients and its impact on mortality. …”
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    Heparin Induced Thrombocytopenia in Patients with COVID-19
  2. 574322
    “…One of the largest studies conducted in China found blood type A conferred highest risk of acquiring COVID-19 infection (Zhao et al., medRxiv 2020). …”
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    ABO Blood Type and Outcomes in a Diverse COVID-19 Infected Population
  3. 574323
    “…We used Stata version 12.0 to conduct multiple linear regressions for continuous data and the ordered logistic regressions for ordered data to investigate associations between prespecified factors and both methodological quality and completeness of reporting. …”
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    The methodological and reporting characteristics of Campbell reviews: A systematic review
  4. 574324
    “…DATA COLLECTION AND ANALYSIS: Two review authors independently assessed and screened studies for eligibility, extracted data, and assessed quality of the studies included in the review. We conducted a meta‐analysis of all reported primary and secondary outcomes. …”
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    Effects of nutritional interventions during pregnancy on birth, child health and development outcomes: A systematic review of evidence from low‐ and middle‐income countries
  5. 574325
    “…STUDY DESIGN, SIZE, DURATION: A retrospective cohort study was conducted with 394 women with XCAs and undergoing their first oocyte retrieval and first embryo transfer cycle from June 2011 to August 2019 in the Reproductive Hospital Affiliated to Shandong University. …”
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    Preimplantation genetic testing is not a preferred recommendation for patients with X chromosome abnormalities
  6. 574326
    “…DESIGN, SETTING, AND PARTICIPANTS: This cross-sectional study used data from the Influenza-Associated Hospitalization Surveillance Network (FluSurv-NET), which conducts population-based surveillance for laboratory-confirmed influenza-associated hospitalizations in selected counties, representing approximately 9% of the US population. …”
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    Rates of Influenza-Associated Hospitalization, Intensive Care Unit Admission, and In-Hospital Death by Race and Ethnicity in the United States From 2009 to 2019
  7. 574327
    “…Therefore, this well-designed randomized controlled trial (RCT) was conducted to determine whether it is necessary to delay FET for at least one menstrual cycle after the failure of fresh embryo transfer. …”
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    Immediate versus delayed frozen embryo transfer in women following a failed IVF-ET attempt: a multicenter randomized controlled trial
  8. 574328
    “…We collected data on resources used from all participants and on out-of-pocket costs in a sub-sample of 1531 participants, while a facility-level costing study was conducted at each facility. Health worker time per participant was assessed in a time-motion morbidity-stratified study among 228 participants. …”
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    Patient and health provider costs of integrated HIV, diabetes and hypertension ambulatory health services in low-income settings — an empirical socio-economic cohort study in Tanzania and Uganda
  9. 574329
    “…METHODS: DisCoVeRy was a phase 3, open-label, adaptive, multicentre, randomised, controlled trial conducted in 48 sites in Europe (France, Belgium, Austria, Portugal, Luxembourg). …”
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    Remdesivir plus standard of care versus standard of care alone for the treatment of patients admitted to hospital with COVID-19 (DisCoVeRy): a phase 3, randomised, controlled, open-label trial
  10. 574330
    “…METHODS: This study employed a comparative cross-sectional survey of 560 samples (280 exposed group from flour mill workers and 280 unexposed group from office workers) with a stratified random sampling technique. The study was conducted from March to April 2019 in Bahir Dar City, Northwest Ethiopia. …”
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    Respiratory symptoms related to flour dust exposure are significantly high among small and medium scale flour mill workers in Ethiopia: a comparative cross-sectional survey
  11. 574331
    “…DESIGN, SETTING, AND PARTICIPANTS: This phase 3, double-blinded, randomized clinical trial included healthy adults aged 18 to 45 years randomized to 1 of three 3A-HBV groups or 1 control group receiving 1A-HBV. The trial was conducted at 37 community clinics and academic hospitals in Canada, Europe, the United Kingdom, and the United States between December 2017 and October 2019. …”
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    Immunogenicity and Safety of a 3-Antigen Hepatitis B Vaccine vs a Single-Antigen Hepatitis B Vaccine: A Phase 3 Randomized Clinical Trial
  12. 574332
    “…DESIGN, SETTING, AND PARTICIPANTS: This retrospective, multicenter cohort study was conducted using data from the Neonatal Research Network Japan database for 8838 infants born at gestational ages 23 to 28 weeks with data on BMI at 18 months and 36 months. …”
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    Analysis of Factors Associated With Body Mass Index at Ages 18 and 36 Months Among Infants Born Extremely Preterm
  13. 574333
    “…Quantitative descriptive analyses of multiple-choice questions were conducted. Open-ended responses were analyzed qualitatively using NVivo software. …”
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    The Impact of COVID-19 on Hematology-Oncology Fellowship Programs: Program Director Perspectives
  14. 574334
    “…METHODS: A population-based case–control study was conducted to compare the distribution of mtDNA variations defining mtDNA haplogroups between healthy controls (n = 615) and COVID-19 patients (n = 536). …”
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    Common mtDNA variations at C5178a and A249d/T6392C/G10310A decrease the risk of severe COVID-19 in a Han Chinese population from Central China
  15. 574335
    “…Post hoc pairwise comparisons between conditions were conducted via orthogonal contrasts. The Holm-test was used to calculate adjusted p-values and confidence intervals. …”
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    The Influence of Glenoid Retroversion on Posterior Shoulder Instability: A Cadaveric Study (214)
  16. 574336
    por Chikuda, Hirotaka, Koyama, Yurie, Matsubayashi, Yoshitaka, Ogata, Toru, Ohtsu, Hiroshi, Sugita, Shurei, Sumitani, Masahiko, Kadono, Yuho, Miura, Toshiki, Tanaka, Sakae, Akiyama, Toru, Ando, Kei, Anno, Masato, Azuma, Seiichi, Endo, Kenji, Endo, Toru, Fujiyoshi, Takayuki, Furuya, Takeo, Hayashi, Hiroyuki, Higashikawa, Akiro, Hiyama, Akihiko, Horii, Chiaki, Iimoto, Seiji, Iizuka, Yoichi, Ikuma, Hisanori, Imagama, Shiro, Inokuchi, Koichi, Inoue, Hirokazu, Inoue, Tomoo, Ishii, Keisuke, Ishii, Masayoshi, Ito, Takui, Itoi, Akira, Iwamoto, Kohei, Iwasaki, Motoki, Kaito, Takashi, Kato, Tsuyoshi, Katoh, Hiroyuki, Kawaguchi, Yoshiharu, Kawano, Osamu, Kimura, Atsushi, Kobayashi, Kazuyoshi, Koda, Masao, Komatsu, Miki, Kumagai, Gentaro, Maeda, Takeshi, Makino, Takahiro, Mannoji, Chikato, Masuda, Kazuhiro, Masuda, Keisuke, Matsumoto, Koji, Matsumoto, Morio, Matsunaga, Shunji, Matsuyama, Yukihiro, Mieda, Tokue, Miyoshi, Kota, Mochida, Joji, Moridaira, Hiroshi, Motegi, Hiroyuki, Nakagawa, Yukihiro, Nohara, Yutaka, Oae, Kazunori, Ogawa, Shinji, Okazaki, Rentaro, Okuda, Akinori, Onishi, Eijiro, Ono, Atsushi, Oshima, Masashi, Oshita, Yusuke, Saita, Kazuo, Sasao, Yutaka, Sato, Kimiaki, Sawakami, Kimihiko, Seichi, Atsushi, Seki, Shoji, Shigematsu, Hideki, Suda, Kota, Takagi, Yasutaka, Takahashi, Masahito, Takahashi, Ryosuke, Takasawa, Eiji, Takenaka, Shota, Takeshita, Katsushi, Takeshita, Yujiro, Tokioka, Takamitsu, Tokuhashi, Yasuaki, Tonosu, Juichi, Uei, Hiroshi, Wada, Kanichiro, Watanabe, Masahiko, Yahata, Tadashi, Yamada, Kei, Yasuda, Taketoshi, Yasui, Keigo, Yoshii, Toshitaka
    Publicado 2021
    “…DESIGN, SETTING, AND PARTICIPANTS: This multicenter randomized clinical trial was conducted in 43 tertiary referral centers in Japan from December 2011 through November 2019. …”
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    Effect of Early vs Delayed Surgical Treatment on Motor Recovery in Incomplete Cervical Spinal Cord Injury With Preexisting Cervical Stenosis: A Randomized Clinical Trial
  17. 574337
    “…METHODS: A community-based cross-sectional study was done based on the Demographic and Health Survey (DHS) data of 12 East African countries conducted from 2008 to 2019. A total weighted sample of 138,803 live births within 5 years preceding the survey were included for analysis. …”
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    Incidence and predictors of under-five mortality in East Africa using multilevel Weibull regression modeling
  18. 574338
    “…The search and results were not limited by date, with the last search conducted on July 24, 2020. STUDY SELECTION: Selected studies were experimental or observational and included adult patients undergoing cardiothoracic surgery in which ICNB was administered with local anesthesia via single injection, continuous infusion, or a combination of both techniques in at least 1 group of patients. …”
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    Assessment of Intercostal Nerve Block Analgesia for Thoracic Surgery: A Systematic Review and Meta-analysis
  19. 574339
    “…In August 2020, data collection was conducted using an open data kit (ODK). Quantitative data were analyzed using SPSS version 20 for descriptive statistics, while qualitative data were analyzed using deductive and thematic analysis based on the codebook. …”
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    Communication needs for improved uptake of PrEP and HIVST services among key populations in Nigeria: a mixed-method study
  20. 574340
    “…We hypothesized that the COVID-19 pandemic may have impacted the scientific production of non-COVID-19 research. METHODS: We conducted a comprehensive meta-research on studies (original articles, research letters and case reports) published between 01/01/2019 and 01/01/2021 in 10 high-impact medical and infectious disease journals (New England Journal of Medicine, Lancet, Journal of the American Medical Association, Nature Medicine, British Medical Journal, Annals of Internal Medicine, Lancet Global Health, Lancet Public Health, Lancet Infectious Disease and Clinical Infectious Disease). …”
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    Impact of the COVID-19 pandemic on publication dynamics and non-COVID-19 research production
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