@article{Allen202120 title = "Serum Ferritin Level as a Prognostic Marker of 30 days In Hospital Mortality of Coronavirus Disease 2019 (COVID 19) Pneumonia at World Citi Medical Center: A Retrospective, Observational Cohort, Single Center Study", journal = "International Journal of Coronaviruses", volume = "3", number = "3", pages = "20 - 29", year = "2021", note = "", issn = "2692-1537", doi = "https://doi.org/10.14302/issn.2692-1537.ijcv-21-4025", url = "http://oap-journals.infoijcv/article/1737", author = "M. Quirit Allen and Sorreda Jayson and Pinera Rizalyn and Kate Tobias Karen", keywords = "Serum Ferritin", keywords = "COVID-19", keywords = "Mortality" }