X-ray structures of H5 avian and H9 swine influenza virus hemagglutinins bound to avian and human receptor analogs.
Proc Natl Acad Sci U S A. 2001 Sep 25;98(20):11181-6. doi: 10.1073/pnas.201401198. Epub 2001 Sep 18.
Proc Natl Acad Sci U S A. 2001.
PMID: 11562490
Free PMC article.