Tariq, Hassan, Shahum Khan, Waqas Ranjha, Hafeez ud Din, Shoaib Nayyer Hashmi, Farhan Akhtar, Siraj ud Din, and Khadijah Abid. 2019. “FREQUENCY DETERMINATION OF NEGATIVE APPENDECTOMY AND UNUSUAL FINDINGS OF ACUTE APPENDICITIS: A RETROSPECTIVE STUDY”. Pakistan Journal of Pathology 30 (1):8-12. https://pakjpath.com/index.php/Pak-J-Pathol/article/view/500.