23 янв 1956 г. - Albert B. Sabin
Описание:
He created the oral polio vaccine, the vaccine consists of strains of the weakened form of polio. His oral polio vaccine could passively immunizie other people as well.Добавлено на ленту времени:
Дата:
23 янв 1956 г.
Сейчас
~ 69 г назад