United States microbiologist (born in Poland) who developed the Sabin vaccine that is taken orally against poliomyelitis (born 1906)
0 التعليقات
0 المشاركات
2457 مشاهدة
إكتشاف أشخاص جدد وإنشاء اتصالات جديدة وصداقات جديدة