Brett D Nelson , William G Fernandez , Sandro Galea , Sarah Sisco , Kerry Dierberg , Gordana Subaric Gorgieva , Arijit K Nandi , Jennifer Ahern , Mihajlo Mitrović , Michael VanRooyen and David Vlahov
BMC Medicine 2004, 2:22doi:10.1186/1741-7015-2-22