Pangihutan, James Abel. “Non-Atopic Asthma : Risk Factors, Diagnosis, and Management”. Jurnal Medika Hutama 2, no. 04 Juli (July 14, 2021): 1191-1195. Accessed October 16, 2026. http://www.jurnalmedikahutama.com/index.php/JMH/article/view/247.