H1 and H7 influenza haemagglutinin structures extend a structural classification of haemagglutinin subtypes
Russell R, Gamblin S, Haire L, Stevens D, Xiao B, Ha Y, Skehel J. H1 and H7 influenza haemagglutinin structures extend a structural classification of haemagglutinin subtypes. Virology 2004, 325: 287-296. PMID: 15246268, DOI: 10.1016/j.virol.2004.04.040.Peer-Reviewed Original Research