De Belder L, Malfroot A, Vandenplas Y, Gies I, De Wachter E. Prophylactic azithromycin in pre-schoolers with chronic respiratory symptoms: a longitudinal survey. Belg J Paediatr [Internet]. 2023 Jan. 17 [cited 2025 Sep. 25];24(3):185-8. Available from: http://www.belgjpaediatrics.com/index.php/bjp/article/view/30