https://www.parsvnath.in/journals/acta-medica-international/articles/integrating-etiotypes-and-phenotypes-in-copd-exacerbations-clinical-insights-from-a-north-indian-cohort
Integrating Etiotypes and Phenotypes in COPD Exacerbations: Clinical Insights from a North Indian...
Integrating Etiotypes and Phenotypes in COPD Exacerbations: Clinical Insights from a North Indian Cohort