“Association between Periodontitis and Severe Asthma: The Role of IgG Anti-Porphyromonas gingivalis Levels” (2020) Global Journal of Medical Research, 20(J1), pp. 25–35. Available at: https://medicalresearchjournal.org/index.php/GJMR/article/view/1977 (Accessed: 31 January 2026).