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MEDICAL BIOLOGY STUDIES, CLINICAL STUDIES, SOCIAL MEDICINE AND HEALTH CARE


PULMONARY FUNCTION TESTING IN YOUNG SCHOOL-age CHILDREN – Đ¡HALLENGES AND POSSIBILITIES
Authors: Stoilka Mandadzhieva, Blagoi Marinov, Stefan Kostianev

MILD CASES OF COVID-19 DO NOT AFFECT THE CARDIO-RESPIRATORY FITNESS OF ELITE BULGARIAN FOOTBALL PLAYERS
Authors: Zdravko Taralov, Petar Dimov, Ivan Gruev, Blagoi Marinov, Stefan Kostianev