Gulshan, T., Ali, Z., Zona, Z., Ansari, B., Ahmad, M., Zainab, I., Nasir, Z. A., & Colbeck, I. (2015) '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, 25(3), pp. 399-404.