%0 Journal Article %T Characterization of evolutionary changes in hemagglutinin of influenza H1N1 virus: a computational analysis %A Ammad Fahim %A Rehan Zafar %A Umer H. K. Niazi %A Uzma Amir %A Zaira Rehman %J Archive of "VirusDisease". %D 2016 %R 10.1007/s13337-015-0294-4 %K Hemagglutinin %K Neuraminidase %K Sialic acid %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4758314/