Popova, G., Boskovska, K., Arnaudova-Danevska, I., Smilevska-Spasova, O. and Jakovska, T. (2019) “Sputum Quality Assessment Regarding Sputum Culture for Diagnosing Lower Respiratory Tract Infections in Children”, Open Access Macedonian Journal of Medical Sciences, 7(12), pp. 1926–1930. doi: 10.3889/oamjms.2019.551.