Fatima Z, Afzal S, Idrees M, Rafique S, Akram M, Khubaib B, Saleem S, Amin I, Shahid M
National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan.
Public Health. 2013 Sep;127(9):875-7. doi: 10.1016/j.puhe.2013.03.003. Epub 2013 Aug 22.