Ul Haq HB, Abbas A, Khan R, Akhtar A, Akram W, Nawaz S, Mayo F, Bhatti A. E-Healthcare Using Block Chain Technology and Cryptographic Techniques: A Review. PakJET [Internet]. 29Dec.2022 [cited 7May2024];5(4):21-8. Available from: https://hpej.net/journals/pakjet/article/view/2225