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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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16 marzo 1919 anni - commissioner of health invite international health board of rockefeller foundation to study hookworm
Descrizione:
- plans were agreed for 5 year demonstration in contrrol of hookworm disease
Aggiunto al nastro di tempo:
PR Medicine Timeline
By
Lauren Acosta
9 apr 2021
0
0
406
Data:
16 marzo 1919 anni
Adesso
~ 106 years ago
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