Insights and Perspectives on Plant-Based Beverages by Aneta Popova, Dasha Mihaylova, Anna Lante

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Survival and prognostic factors in patients after carotid stenting and coronary revascularization by Georgi Goranov, Petar Nikolov

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Nanomaterials as catalysts for the sensitive and selective determination of diclofenac by Totka Dodevska, Ivan Shterev

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ANALYSIS OF MECHANISMS TO SUPPORT THE AGRICULTURAL SECTOR IN THE CREATION OF PUBLIC GOODS by Petar Borisov, Dimitre Nikolov, Teodor Radev, Ivan Boevski

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YOUTH AND THE SKILLS SYSTEM IN BULGARIA. CAN LIFELONG LEARNING POLICIES ON THE REGIONAL LEVEL COMPENSATE FOR THE MISMATCHES IN THE NATIONAL SKILL SYSTEM? by Valentina Milenkova, Siyka Kovacheva

“…The mismatches in the system are highlighted on the national and the regional level where we focus on the contextual cases of Blagoevgrad and Plovdiv functional regions. The paper reveals that there is a discrepancy between labor supply and demand in the skills systems in both regions where less than half of university graduates work in the specialty they have acquired during studies. …”
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Notes on the diet of Testudo hermanni boettgeri and T. graeca ibera in south-western Bulgaria with first cases of geophagy and myrmecophagy from the country by EMANUIL MITREVICHIN1, LIDIA SAKELARIEVA, HRISTO PESHEV, ALEXANDER PULEV

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Allelopathic effect of aqueous extract from root systems of Johnson grass on seed germination and initial development of soybean, pea and vetch by Kalinova Shteliyana, Golubinova Irena, Hristoskov Angel, Ilieva Anna

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Ultrastructural changes of mesophyll cells in peach leaves infected by Taphrina deformans (Berk/Tul) by Neshka Piperkova, Andon Vassilev

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Exploring the concept of brand sustainability: comprehending its importance and implications by Kulova Ivelina, Nikolova-Alexieva Valentina

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A single-center study of bone mineral density in adult patients with severe hemophilia A in correlation with markers of bone metabolism by Hristina A. Ivanova, Zhanet Grudeva-Popova, Tanya Deneva, Silvia Tsvetkova, Nonka Mateva

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Chest CT diagnostic potential as a tool for early detection of suspected COVID-19 cases in pandemic peaks by Lyubomir Chervenkov, Ralitsa Raycheva, Vanya Rangelova, Katya Doykova

“…All patients received chest CT scan at the emergency department (ED) of Kaspela University Hospital, Plovdiv, Bulgaria and RT­PCR testing for suspected COVID­19 from March 27 to December 31, 2020. …”
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Chemical constituents in leaves and aroma products of Nicotiana rustica L. tobacco by Venelina T. Popova, Tanya A. Ivanova, Albena S. Stoyanova, Violeta V. Nikolova, Margarita H. Docheva, Tzveta H. Hristeva, Stanka T. Damyanova, Nikolay P. Nikolov

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Model of the Factors Affecting the Eco-Innovation Activity of Bulgarian Industrial Enterprises by Valentina Nikolova-Alexieva, Iordanka Alexieva, Katina Valeva, Mariana Petrova

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Minimal Processing Technologies for Production and Preservation of Tailor-Made Foods§ by Daniel Berdejo, Diego García-Gonzalo, Nadia Oulahal, Rositsa Denkova-Kostova, Vesela Shopska, Georgi Kostov, Pascal Degraeve, Rafael Pagan

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Independent predictors of preeclampsia and their impact on the complication in Bulgarian study group of pregnant women by Boris Stoilov, Polina Zaharieva-Dinkova, Lili Stoilova, Ekaterina Uchikova, Emiliya Karaslavova

“…Materials and methods: The study included 1511 pregnant women who were examined during their routine checkups in a two-phase retrospective study that took place from January 30, 2018, to August 31, 2020, in the Outpatient Department of the University Hospital in Plovdiv. All primary data were obtained from their archived medical records. …”
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Assessment of the bycatch level for the Black Sea harbour porpoise in the light of new data on population abundance by Dimitar Popov, Dimitar Popov, Galina Meshkova, Karina Vishnyakova, Karina Vishnyakova, Julia Ivanchikova, Julia Ivanchikova, Julia Ivanchikova, Marian Paiu, Marian Paiu, Costin Timofte, Ayaka Amaha Öztürk, Ayaka Amaha Öztürk, Arda M. Tonay, Arda M. Tonay, Ayhan Dede, Ayhan Dede, Marina Panayotova, Ertuğ Düzgüneş, Pavel Gol’din, Pavel Gol’din, Pavel Gol’din

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Distress Symptoms of Old Age and Mild Cognitive Impairment are Two Distinct Dimensions in Older Adults Without Major Depression by Tran-Chi VL, Maes M, Nantachai G, Hemrungrojn S, Solmi M, Tunvirachaisakul C

“…Program in Clinical Sciences, School of Global Health, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; 2Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; 3Sichuan Provincial Center for Mental Health, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China; 4Key Laboratory of Psychosomatic Medicine, Chinese Academy of Medical Sciences, Chengdu, People’s Republic of China; 5Research Institute, Medical University of Plovdiv, Plovdiv, Bulgaria; 6Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria; 7Kyung Hee University, Dongdaemun-gu, Seoul, South Korea; 8Cognitive Impairment and Dementia Research Unit, Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; 9Cognitive Fitness and Biopsychiatry Technology Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; 10Somdet Phra Sungharaj Nyanasumvara Geriatric Hospital, Department of Medical Services, Ministry of Public Health, Chon Buri Province, Thailand; 11Department of Psychiatry, University of Ottawa, Ontario, Canada; 12Regional Centre for the Treatment of Eating Disorders and on Track, The Champlain First Episode Psychosis Program, Department of Mental Health, The Ottawa Hospital, Ontario, Canada; 13Ottawa Hospital Research Institute (OHRI), Clinical Epidemiology Program, University of Ottawa, Ottawa, Ontario, Canada; 14Department of Child and Adolescent Psychiatry, Charité Universitätsmedizin, Berlin, Germany*These authors contributed equally to this workCorrespondence: Michael Maes, Sichuan Provincial Center for Mental Health, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, People’s Republic of China, Email dr.michaelmaes@hotmail.com Chavit Tunvirachaisakul, Cognitive Impairment and Dementia Research Unit, Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, 10330, Thailand, Email chavit.t@chula.ac.thBackground: Studies in old adults showed bidirectional interconnections between amnestic mild cognitive impairment (aMCI) and affective symptoms and that adverse childhood experiences (ACE) may affect both factors. …”
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Existence and Stability Results for Differential Equations with a Variable-Order Generalized Proportional Caputo Fractional Derivative by Donal O’Regan, Ravi P. Agarwal, Snezhana Hristova, Mohamed I. Abbas

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Phytoplankton Communities and Cyanotoxin Production in Some Bulgarian Lowland Lakes and Reservoirs by Detelina Belkinova, Ivanka Teneva, Stefan Kazakov, Silvia Stamenova

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Micromorphology and analysis of dentin surfaces after preparation with Er:YAG laser and application of self-etch adhesive system with 10-MDP. A confocal laser scanning microscope s... by Nikolay Simeonov, Vesela Stefanova

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