Vakrilova Becheva Maria, Kirkova-Bogdanova Angelina
Department of Nursing, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria.
Department of Medical Informatics, Biostatistics and E-Learning, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria.
Iran J Public Health. 2019 Aug;48(8):1541-1542.