Ghazala Perween, Prasad Anjali Krishna, Sazid Hussain, Abhishek Kumar, and Binod Kumar. “Analysis of Thumb Print Patterns in Relation With Blood Group Among Medical Students: A Cross- Sectional Study”. International Journal of Health and Clinical Research, vol. 5, no. 1, Jan. 2022, pp. 252-4, https://ijhcr.com/index.php/ijhcr/article/view/3990.