29
/pt/
pt
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1513055
118330
2
Criar
Public Timelines
Biblioteca
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
18 abr 1923 ano - Alexander Glenny perfected a method to inactivate tetanus toxin with formaldehyde in 1923
Adicionado na linha do tempo:
29 ago 2018
0
0
170
History of vaccines
Data:
18 abr 1923 ano
Agora
~ 101 years ago