[1] T. Gulshan, Z. Ali, Z. Zona, B. Ansari, M. Ahmad, I. Zainab, Z. A. Nasir, and I. Colbeck, "STATE OF AIR QUALITY IN AND OUTSIDE OF HOSPITAL WARDS IN URBAN CENTRES – A CASE STUDY IN LAHORE, PAKISTAN," Journal of Animal and Plant Sciences, vol. 25, no. 3, pp. 399-404, 2015.