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Prague, Czech Republic
Czech doctor Jan Jansky was the first to divide blood into four types in 1907. I had no idea of this until today. Did you know?
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O médico Checo Jan Jansky foi o primeiro a dividir o sangue em 4 tipos distintos, em 1907. Não fazia ideia. Vocês sabiam?
No idea with that!! Thanks for the lesson!!
I didn’t know either
Loved following your blog, but since you no longer follow mine….
Very interesting! I didn’t know that before – thanks for sharing.