Lo, Raymundo, Agnes Barrientos, Bernadette Espiritu, Farrah Kristine Santiago, Amado Tandoc III, Januario Veloso, and Socorro Yanez. “An Evaluation of Pooling Strategies for RT-QPCR Testing for SARS-CoV-2 Infection: A Pragmatic Multi-Site Parallel Operational Study ”. PJP 5, no. 2 (January 5, 2021): 12-33. Accessed May 17, 2021. https://philippinejournalofpathology.org/index.php/PJP/article/view/203.