Ali N, Khan NU, Waheed S, Mustahsan S. Etiology of acute undifferentiated fever in patients presenting to the emergency department of a tertiary care center in Karachi, Pakistan. Pak J Med Sci [Internet]. 2020Aug.19 [cited 2024Apr.20];36(6). Available from: https://www.pjms.org.pk/index.php/pjms/article/view/2334