Sean W. Nashold Joshua L. Teslaa Shyamal K. Majumdar Frederic J. Brenner Jane E. Huffman Robert G. McLean Assad I. Panah Patricia J. Freda Pietrobon Shamus P. Keeler Steven E. Shive Jeffrey S. Hall 2011 <p>No abstract available.</p> application/pdf en Pennsylvania Academy of Science Swine influenza's promiscuous past, present, and future chapter