Shaikh, S., Jamal, S., Mairaj, F. and Asim, A. (2019) “Frequency of ABO Blood Group Discrepancies and its Classification into Groups in Tertiary Care Hospital Karachi”, Pakistan Journal of Medicine and Dentistry, 7(4), p. 4. Available at: http://ojs.zu.edu.pk/ojs/index.php/pjmd/article/view/143 (Accessed: 19May2024).