National Research Council / USDA / British government / Ohio Agricultural Research and Development Center / Department of Agriculture / US Federal Reserve / FDA / Weston A. Price Foundation / College of Veterinary Medicine in Columbus / /
Person
John Sheehan / Bill Marler / Hudson / Doyle / Roman / /
Position
farmer / /
Product
vitamin A / milk samples / milk / surfaces / /
ProvinceOrState
Ohio / Wisconsin / New York / Pennsylvania / Massachusetts / /
PublishedMedium
Clinical Infectious Diseases / The Clinical Infectious Diseases / Morbidity and Mortality Weekly Report / /