CHAUDHRY, Asma; TOORI, Kaleem Ullah; SALEEM, Sumaira. FREQUENCY AND RISK FACTORS OF FREQUENT EXACERBATIONS OF ASTHMA IN PATIENTS IN A TERTIARY CARE HOSPITAL: A HOSPITAL-BASED COMPARATIVE STUDY: Exacerbations of Asthma in Patients. Pakistan Armed Forces Medical Journal, [S. l.], v. 68, n. 2, p. 207–13, 2018. Disponível em: https://www.pafmj.org/PAFMJ/article/view/213. Acesso em: 13 may. 2024.