CLINICAL EFFICACY OF THE DOMESTIC MUCOLYTIC DRUG ASCEIN (N-ACETYLCYSTEINE) IN THE COMPLEX TREATMENT OF PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE. ibmscr. 2023;3(9):15-19. Accessed September 16, 2025. https://researchcitations.com/index.php/ibmscr/article/view/2566