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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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29 апр 1952 г. - The first inactivated polio vaccine
Описание:
Developed in 1952 by Jonah Salk
Добавлено на ленту времени:
Global Health History
By
Shannon
20 окт 2018
0
0
483
Дата:
29 апр 1952 г.
Сейчас
~ 73 г назад
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