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  1. 13421
    “…OBJECTIVES: To evaluate the sleep patterns among young West Balkan adults during the third wave of the COVID-19 pandemic. DESIGN AND SETTING: Cross-sectional study conducted using an anonymous online questionnaire based on established sleep questionnaires Insomnia Severity Index (ISI) and Pittsburgh Sleep Quality Index (PSQI) (February–August 2021). …”
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    Sleep quality and patterns of young West Balkan adults during the third wave of COVID-19 pandemic: a cross-sectional study
  2. 13422
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    Seroprevalence of COVID-19 and Psychological Distress among Front Liners at the Universiti Malaysia Sabah Campus during the Third Wave of COVID-19
  3. 13423
    “…Results: Overall, 519 HCWs (9%) tested positive among a total of 6030 HCWs during the three waves. The highest frequency of COVID-19 cases (n = 326; 63%) was observed during the 2nd wave, from September 2020 to December 2020, and the lowest (n = 34; 7%) was observed during the 1st wave, from March 2020 to August 2020 (p < 0.001). …”
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    Comparison of Three Different Waves in Healthcare Workers during the COVID-19 Pandemic: A Retrospective Observational Study in an Italian University Hospital
  4. 13424
    “…BACKGROUND: This paper was the first study comparing levels of anxiety and depression and assessing the affecting factors among the general population, frontline healthcare workers, and COVID-19 inpatients in Turkey during the first wave of the COVID-19 pandemic. We collected data from the general population (n = 162), frontline healthcare workers (n = 131), and COVID-19 inpatients (n = 86) using Individual Characteristics Form, Generalised Anxiety Disorder Scale, and Beck Depression Inventory in this cross-sectional study. …”
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    Factors affecting anxiety and depression during the first wave of the COVID-19 pandemic: a cross-sectional study of three different populations
  5. 13425
    “…PURPOSE: The aim of this study is to evaluate the performance of free-breathing liver MRI with a novel respiratory frequency-modulated continuous-wave radar-trigger (FT) technique on T2-weighted imaging (T2WI) and diffusion-weighted imaging (DWI) for both healthy volunteers and patients in comparison to navigator-trigger (NT) and belt-trigger (BT) techniques. …”
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    Free-Breathing Liver Magnetic Resonance Imaging With Respiratory Frequency-Modulated Continuous-Wave Radar-Trigger Technique: A Preliminary Study
  6. 13426
    “…BACKGROUND: During the first coronavirus disease 2019 (COVID-19) pandemic wave, an unprecedented number of patients with respiratory failure due to a new, highly contagious virus needed hospitalization and intensive care unit (ICU) admission. …”
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    Communication and visiting policies in Italian intensive care units during the first COVID-19 pandemic wave and lockdown: a nationwide survey
  7. 13427
    “…BACKGROUND: Multiple reports have demonstrated the therapeutic potential of extracorporeal shock wave (ESWT) in osteonecrosis of the femoral head (ONFH). …”
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    Quantitative Magnetic Resonance Imaging of Femoral Head Articular Cartilage Change in Patients with Hip Osteonecrosis Treated with Extracorporeal Shock Wave Therapy
  8. 13428
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    THE DURATION OF MECHANICAL VENTILATION PRIOR TO VV-ECMO IN PATIENTS WITH COVID-19 DOES NOT HAVE AN IMPACT ON SURVIVAL DURING THREE WAVES OF THE PANDEMIC
  9. 13429
    “…BACKGROUND: This study investigated post-traumatic stress disorder (PTSD), anxiety, depression and their related factors among coronavirus disease 2019 (COVID-19) patients during the fourth wave of the pandemic in Vietnam. METHODS: Vietnamese-fluent confirmed COVID-19 patients for at least 3 d were recruited in this online cross-sectional study to answer a three-part questionnaire including participants’ sociodemographic characteristics, PTSD (Impact of Event Scale-Revised) and anxiety and depression (Hospital Anxiety and Depression Scale). …”
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    Post-traumatic stress disorder, anxiety, depression and related factors among COVID-19 patients during the fourth wave of the pandemic in Vietnam
  10. 13430
    “…A set of two-dimensional shear wave elastography measurements of the PT was acquired and projected into three-dimensional space yielding a volumetric representation of the shear wave velocity profile of the patellar tendon. …”
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    Patellar Tendon Shear Wave Velocity Is Higher and has Different Regional Patterns in Elite Competitive Alpine Skiers than in Healthy Controls
  11. 13431
    “…RESULTS: One thousand and twenty-four children were recruited, 592 of the first wave and 432 of the second wave. In the second wave, more children were admitted with respiratory distress (OR = 3.38) and neurological manifestations (OR = 4.61). …”
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    Clinical Profile and Short-Term Outcome of Children with Acute SARS-CoV-2 Infection During the First and Second Waves of the Pandemic
  12. 13432
    “…In this study, travelling surface acoustic wave (TSAW)-based devices with three frequencies (99.1, 48.8, 20.4 MHz) have been used to capture the suspended Polystyrene (PS) microspheres of various sizes (5, 20, 40 μm) in sessile droplets, which are controlled by acoustic field-induced fluid vortex (acoustic vortex) and aggregate into clusters or rings with particles. …”
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    Enhanced Detection in Droplet Microfluidics by Acoustic Vortex Modulation of Particle Rings and Particle Clusters via Asymmetric Propagation of Surface Acoustic Waves
  13. 13433
    por Zhu, Junjiang, Lv, Jintao, Kong, Dongdong
    Publicado 2022
    “…(1) Background: A typical cardiac cycle consists of a P-wave, a QRS complex, and a T-wave, and these waves are perfectly shown in electrocardiogram signals (ECG). …”
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    F-Wave Extraction from Single-Lead Electrocardiogram Signals with Atrial Fibrillation by Utilizing an Optimized Resonance-Based Signal Decomposition Method
  14. 13434
    “…The reduction in routine services was also greater in the second than in the first wave. All the AIEOP centers showed the capacity to adapt and promptly respond to both waves of the pandemic.…”
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    Organizational Challenges in the Pediatric Onco-hematology Units During the First and Second Wave of the COVID-19 Pandemic: A National Survey in Italy
  15. 13435
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    Risk of Intensive Care Unit admission or mortality in patients hospitalised for COVID-19 during the first two waves: An Italian cohort study
  16. 13436
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    Multi-frequency power ultrasound as a novel approach improves intermediate-wave infrared drying process and quality attributes of pineapple slices
  17. 13437
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    Whole-genome analysis and mutation pattern of SARS-CoV-2 during first and second wave outbreak in Gwangju, Republic of Korea
  18. 13438
    “…CONCLUSIONS: Hypertensive urgency-related visits followed a U-shape distribution during the pandemic’s first wave with the attendance nadir coinciding with the virus spread peak. …”
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    Hypertensive urgencies during the first wave of the COVID-19 pandemic in a tertiary hospital setting: a U-shaped alarming curve
  19. 13439
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    A Study on Highly Effective Electromagnetic Wave Shield Textile Shell Fabrics Made of Point Polyester/Metallic Core-Spun Yarns
  20. 13440
    “…This paper proposes a duty-cycle electronically tunable triangular/square wave generator using LT1228 commercially available ICs for capacitive sensor interfacing. …”
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    Duty-Cycle Electronically Tunable Triangular/Square Wave Generator Using LT1228 Commercially Available ICs for Capacitive Sensor Interfacing
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