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1 gen 1940 anni - 20C中期以来 |许多西方国家建立了基本医疗卫生体系

Descrizione:

各层级的医院、专业公共卫生机构、基层医疗单位大量出现，

公共卫生监督工作也取得很大进展，

威胁人类健康的麻疹、百日咳、白喉、脊髓灰质炎、肺结核等重大传染病得到控制。

Aggiunto al nastro di tempo:

人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

8 mesi fa

4

0

3494

Data:

1 gen 1940 anni

Adesso

~ 85 years ago

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