Theoretical analysis of binding specificity of influenza viral hemagglutinin to avian and human receptors based on the fragment molecular orbital method. - Tatsunori Iwata; Kaori Fukuzawa; Katsuhisa Nakajima; Sachiko Aida-Hyugaji; Yuji Mochizuki; Hirofumi Watanabe; Shigenori Tanaka (Comput. Biol. Chem., 2008)