Evaluation of the Efficacy and Safety of Intravenous Immunoglobulin (IVIG) in Moderate-to-Severe Hospitalized COVID-19 Patients: A Randomized, Open-Label Parallel-Group Study oleh Sachin Gautam, Govind Mawari, Mradul Kumar Daga, Naresh Kumar, Harpreet Singh, Sandeep Garg, Suresh Kumar, Monika Gajendrakumar, Mahak Golani, Ishan Rohatgi, Sayan Sarkar, Shubham Kaushik, Manish Kumar Jha, Sweety Mehra