Teeranaipong, P., T. Tia, and C. Putaporntip. “A simple and efficient DNA extraction from respiratory samples for PCR detection of Pneumocystis jirovecii”. Chulalongkorn Medical Journal, vol. 62, no. 4, Aug. 2023, https://he05.tci-thaijo.org/index.php/CMJ/article/view/364.