“Assessment of Serum Ferritin, Folate, Vitamin B12, C-reactive Protein, D-dimer and Homocysteine in Patients with Severe and Critical Covid-19 Infection”, Indian Journal of Forensic Medicine & Toxicology, vol. 15, no. 4, pp. 353–358, Sep. 2021, doi: 10.37506/ijfmt.v15i4.18454.