Study protocol: an observational study of distress, immune function and persistent pain in HIV by John A Joska, Mark R Hutchinson, Maia Lesosky, Victoria J Madden, Ncumisa Msolo, Luyanduthando Mqadi, Gillian J Bedwell, Jonathan Grant Peter, Romy Parker, Andrew Schrepf, Robert R Edwards

“…This prospective, observational, case–control study will characterise the relationships between distress, IR, pain-related signalling as captured by induced secondary hyperalgesia (SH), and pain, in people with HIV who report persistent pain (PP) (cases) or no pain (controls).Methods and analysis One hundred people with suppressed HIV, reporting either PP or no pain, will be assessed two or four times over 6 months. …”
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Maternal And Fetal Outcome in Placenta Previa: A Multicenter Prospective Observational Study by Beenish Khan, Syeda Surayya Jabeen, Fatima Sharif Khan, Faria Mumtaz, Reema Gul, Qudsia Nawaz

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Selective Screening Strategies for Gestational Diabetes: A Prospective Cohort Observational Study by Sumaiya Adam, Paul Rheeder

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Understanding the reliability of citizen science observational data using item response models by Edgar Santos‐Fernandez, Kerrie Mengersen

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Predictive Capabilities and Limitations of Stream Interaction Region Observations at Different Solar Longitudes by R. C. Allen, G. C. Ho, L. K. Jian, G. M. Mason, S. K. Vines, D. Lario

“…By examining the probability of repeat detection of SIRs/CIRs using variable separation distances between two observing points, we explore the utility of an Earth‐trailing monitor for SIR/CIR predictability (i.e., 74.6% of SIRs observed at L5 reach L1 within ±3 days of rigid corotation). …”
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Results of non-interventional observational study of ursodeoxycholic acid in primary biliary cirrhosis by Yelena N. Shirokova, Anna F. Sheptulina

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Variability in Dust Observed over China Using A-Train CALIOP Instrument by Hui Xu, Fengjie Zheng, Wenhao Zhang

“…Additionally, single dust layer is more often observed in a vertical column. Temporally, high amounts of dust aerosol (C-DAFOD as high as 0.08) experienced in spring subsequently continuous decrease until the spring of next year. …”
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Is It Possible to Observe Society in Its Totality? Niklas Luhmann as Perseus and Medusa as Society by A. Yu. Antonovskiy

“…Observation of society in its entirety is possible only from within itself, and therefore its observer (sociologist, artist, writer, moralist, politician or participant in a social movement) is necessarily included in the observed object itself. …”
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Observer-Based Finite-Time H∞ Control of Singular Markovian Jump Systems by Yingqi Zhang, Wei Cheng, Xiaowu Mu, Xiulan Guo

“…Firstly, the concepts of singular stochastic finite-time boundedness and singular stochastic finite-time H∞ stabilization via observer-based state feedback are given. Then an observer-based state feedback controller is designed to ensure singular stochastic finite-time H∞ stabilization via observer-based state feedback of the resulting closed-loop error dynamic SMJS. …”
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Antioxidants in the Treatment of Chronic Diffuse Liver Diseases (the Results of the “MAXAR” Observational Program) by M. V. Mayevskaya, V. T. Ivashkin, V. D. Lunkov, S. P. Kryzhanovskiy, I. Yu. Pirogova, Ch. S. Pavlov, M. S. Zharkova, A. G. Beniashvili, M. A. Morozova

“…The results of the observational program have shown that patients with NAFLD and ALD frequently experience such components of asthenic syndrome as distress, depression, anxiety, somatisation and fatigue. …”
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Live Birth from the Transfer of a Severely Fragmented Embryo Observed by Morphokinetics by S. Lahav-Baratz, I. Blais, M. Koifman, D. Ishai, Z. Wiener-Megnazi, G. Peer, M. Dirnfeld

“…By careful annotation, using the time-lapse EmbryoScope, we observed that one embryo continued division as expected, discarding all fragments aside. …”
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Prescribed Performance Neural Control of Strict-Feedback Systems via Disturbance Observers by Wei Xiang, Guangkui Xu, Fang Zhu, Chunzhi Yang

“…This paper provides a disturbance observer-based prescribed performance control method for uncertain strict-feedback systems. …”
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Clinical and ultrasound assessment of body composition in preterm infants at discharge: an observational study by Beatriz del Rey Hurtado de Mendoza, Montserrat Izquierdo Renau, Elsa García González, Carla Balcells-Esponera, Emilio J Inarejos Clemente, Isabel Iglesias-Platas

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Peculiarities of observing human rights in the conditions of emergency legal regimes caused by the pandemic by N. O. Rastorhuieva

“…The article is devoted to the study of the pandemic as a legal prerequisite for the introduction of certain mechanisms for the observance of human rights in the conditions of emergency legal regimes and to the identification of certain features of the observance and guarantee of these rights. …”
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The Use of Mebendazole in COVID-19 Patients: An Observational Retrospective Single Center Study by Mostafa W. Galal, Mahmoud Ahmed, Yanqiu Shao, Chao Xing, Wael Ali, Abd Elhamid Baly, Abdallah Elfiky, Khaled Amer, John Schoggins, Hesham A. Sadek, Zeinab N. Gobara

“…Methods. This is an observational retrospective study of PCR-confirmed COVID-19 patients who received mebendazole with the intention-to-treat. …”
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Low-Thrust Transfer Design of Low-Observable Geostationary Earth Orbit Satellite by Bing Hua, Zhujun Shao

“…With radar and surface-to-air missiles posing an increasing threat to on-orbit spacecraft, low-observable satellites play an important role in low-thrust transfers. …”
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Observations of the Growth and Decay of Stall Cells during Stall and Surge in an Axial Compressor by Adam R. Hickman, Scott C. Morris

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Investigating the Source of Planck-Detected AME: High-Resolution Observations at 15 GHz by Yvette C. Perrott, Anna M. M. Scaife, Natasha Hurley-Walker, Keith J. B. Grainge

“…Here we present higher resolution observations of two of these new regions with the Arcminute Microkelvin Imager Small Array (AMI SA) between 14 and 18 GHz to test for the presence of a compact (~10 arcmin or smaller) component. …”
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LOFAR Observations of Substructure Within a Traveling Ionospheric Disturbance at Mid‐Latitude by Gareth Dorrian, Richard Fallows, Alan Wood, David R. Themens, Ben Boyde, Andrzej Krankowski, Mario Bisi, Bartosz Dąbrowski, Christian Vocks

“…The observations were made under geomagnetically quiet conditions, between 0400 and 0800 on 7 January 2019, over the UK. …”
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Observations of the serotine bat Eptesicus serotinus (Schreber, 1774) in underground hibernacula of Slovenia by Primož Presetnik, Monika Podgorelec

“…This article summarises data on all 18 recorded published and new field observations. Individual bats were found in the entrance parts of 11 caves, one in a cliff overhang, and one in a cellar. …”
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