Wardani, Yulia, Rina Triasih, and Amalia Setyati. “Exhaled Carbon Monoxide in Children With Asthma and Allergic Rhinitis”. Paediatrica Indonesiana 62, no. 2 (April 4, 2022): 115-9. Accessed May 6, 2024. https://www.paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2593.