Josephine Joy C. Canayon, Troi Paulo V. Gomez, Allen Vincent Yaj B. Calimlim, Maia Nadine B. Berces, Leila Agnes A. Obispo, Fenilyn Isis T. Batula and Gamaliel Issamar De Vera 2021. Analysis of Major Laboratory Test Result Abnormalities in Mild and Severe COVID-19 Infections. International Journal of Progressive Research in Science and Engineering . 2, 7 (Jul. 2021), 147–177.