CLINICAL EFFICACY OF THE DOMESTIC MUCOLYTIC DRUG ASCEIN (N-ACETYLCYSTEINE) IN THE COMPLEX TREATMENT OF PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE. (2023). International Bulletin of Medical Sciences and Clinical Research, 3(9), 15-19. https://researchcitations.com/index.php/ibmscr/article/view/2566