Sánchez J, Sánchez A, Cardona R. Clinical differences between children with asthma and rhinitis in rural and urban areas. Colomb Med [Internet]. 2018 Jun. 29 [cited 2024 Nov. 23];49(2):169-74. Available from: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/3902