Claro Andre Cabel, Jose Rafael Carpio, Pedro Gabriel Cortes, Carl Anthony David, Lance Joshua Felipe, Aldrin Louis Tizon, and Anna Liezle Pagud. M.D. “A Descriptive Cross-Sectional Study on the Pre-Analytical Procedures Used by Medical Technologists in Metro Manila During the COVID-19 Pandemic”. International Journal of Progressive Research in Science and Engineering, vol. 2, no. 9, Sept. 2021, pp. 92-104, https://journal.ijprse.com/index.php/ijprse/article/view/432.