VERMA, Krishna Kumar; MADHULIKA PETER SAMUEL; NILAMNIGAM; SHWETA TRIPATHI; KRITIJALOTA. A Comparative Study of Ambroxol and N-Acetylcysteine in Chronic Obstructive Pulmonary Disease Patients in a Tertiary Care Hospital, Kanpur (UP). Journal of Population Therapeutics and Clinical Pharmacology, [S. l.], v. 33, n. 2, p. 1114–1120, 2026. DOI: 10.69980/813gsy58. Disponível em: https://jptcp.com/index.php/jptcp/article/view/13786. Acesso em: 2 oct. 2026.