Altenburg, J., Wilms, E. B., & Boersma, W. G. (2019). The relationship between serum and sputum levels of azithromycin and clinical endpoints in patients with bronchiectasis using azithromycin maintenance treatment. Archives of Pharmacy and Pharmaceutical Sciences, 3(1), 019–025. https://doi.org/10.29328/journal.apps.1001014