Albachary, H.S. et al. 2022. Correlation between Human Serum Immunoglobulin A and Complement Component receptor 1 (C5aR1) to Chronic Obstructive Pulmonary, Asthma and Tonsillitis Diseases. Journal of Biotechnology Research Center. 16, 1 (Apr. 2022), 13–20. DOI:https://doi.org/10.24126/jobrc.2022.16.1.626.