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12 avr. 1920 - Tuberculosis

Description:

TB declines in the U.S. due to public health education about spread

Ajouté au bande de temps:

Diseases and Discoveries Related That Have Impacted Recorded Human History

ByTommy Chhoeum

14 déc. 2018

1

0

926

Date:

12 avr. 1920

Maintenaint

~ Il y a 105 ans

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