S. K. Zaidi, H. Khalil, I. Ahmed, H. Akbar, K. Saleem, and W. Ali, “ACTIVE SURVEILLANCE FOR ASYMPTOMATIC COLONIZATION WITH MULTIDRUG RESISTANT GRAM-NEGATIVE BACILLI IN PRE-OPERATIVE PAEDIATRIC CONGENITAL CARDIAC DISEASE PATIENTS; PRELIMINARY RESULTS”, PAFMJ, vol. 65, no. (SUPPL), pp. S39–42, Mar. 2015.