Hussain, Fouzia, Subhe Sadiq Tahir, Naseem Rauf, and Afifa Batool. “Qualitative Assessment of Bacteria and Fungi in the Indoor Environment of Hospitals of Islamabad, Pakistan: Bacteria and Fungi in Hospital Indoor Air”. Biological Sciences - PJSIR 55, no. 3 (December 28, 2012): 159–165. Accessed May 17, 2024. http://v2.pjsir.org/index.php/biological-sciences/article/view/199.