Henry, Brandon, Isaac Cheruiyot, Jens Vikse, Victor Mutua, Vincent Kipkorir, Justin Benoit, Mario Plebani, Nicola Bragazzi, and Giuseppe Lippi. “Lymphopenia and Neutrophilia at Admission Predicts Severity and Mortality in Patients With COVID-19: A Meta-Analysis”. Acta Bio Medica Atenei Parmensis 91, no. 3 (September 7, 2020): e2020008. Accessed September 23, 2020. https://mattioli1885journals.com/index.php/actabiomedica/article/view/10217.