Integration of Healthcare 4.0 and blockchain into secure cloud-based electronic health records systems[J] APPLIED NANOSCIENCE Mahajan, Hemant B. Rashid, Ameer Sardar Junnarkar, Aparna A. Uke, Nilesh Deshpande, Sarita D. Futane, Pravin R. Alkhayyat, Ahmed Alhayani, Bilal
