Copy Reference MASS VACCINATION AGAINST POLIO
Year:1963 Issue:7
Column: ARTICLES
Author: KU FANG-CHOU
Release Date:1963-07-01
Page: 28-30
Full Text:
DURING the past three years over 20,000,000 Chinese children under seven years of age have been given free oral vaccination against poliomyelitis. All the attenuated live polio vaccine (live...
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