Ahmed, F., M. A. Rauf, F. Maula, and N. Mehmood. “ANALYSIS OF ADVERSE EVENTS REPORTED FOLLOWING SINGLE DOSE MONOVALENT H1N1 (SWINE FLU) VACCINE”. Journal of Postgraduate Medical Institute, vol. 27, no. 1, Dec. 2012, https://www.jpmi.org.pk/index.php/jpmi/article/view/1430.