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7 abr 1948 ano - WHO's constitution now: world health day

Descrição:

- single set of international rules on infectious disease control;

- 'based on' (?) the International Sanitary Regulations.

Adicionado na linha do tempo:

9 set 2017
0
0
685

Data:

7 abr 1948 ano
Agora
~ 77 years ago