Swine Influenza Surveillance, Wisconsin Agricultural Fairs, 1989 and 1990
Chapman, LouisaVolume:
267
Language:
english
Journal:
JAMA: The Journal of the American Medical Association
DOI:
10.1001/jama.1992.03480200049021
Date:
May, 1992
File:
PDF, 152 KB
english, 1992