Nadeem Nusrat, Asma Shaikh, Muhammed Akbar Agha, Saddam Hussain Kalwar, Saima Minhas, Khaleeque-u-Nisa, Zeeshan-ul-Qadar, Rafique Khannani. Identification of Group "A & AB" Major Sub-Groups in a Mixed Pakistani Population of Karachi . JPUMHS [Internet]. 2014 Mar. 31 [cited 2024 Jul. 3];4(1):15-9. Available from: http://publication.pumhs.edu.pk/index.php/ojs/article/view/123