Demographic and Clinical Features of Dengue Fever in Pakistan from 2003-2007: A Retrospective Cross-Sectional Study Khan, Erum ; Kisat, Mehreen ; Khan, Nabil ; Nasir, Amna ; Ayub, Salma ; Hasan, Rumina Abstract Publication: PLoS ONE Pub Date: September 2010 DOI: 10.1371/journal.pone.0012505 Bibcode: 2010PLoSO...512505K