Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Yang, Neng Yu"'
Publikováno v:
Vox Sanguinis; Jul1989, Vol. 57 Issue 1, p49-54, 6p
Publikováno v:
American Journal of Epidemiology. 127:599-604
To detect inapparent infection with hepatitis A virus, serial sera were collected from patients with hepatitis A and their contacts in two waterborne epidemics in China. Epidemic 1 occurred in a rural village near Hangzhou during August 1978-January