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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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9 Jan 1908 Jahr - Charles Mantoux developed a skin test for tuberculosis.
Zugefügt zum Band der Zeit:
Engineering 2 9/29/17
By
Josiah Valery
2 Okt 2017
0
0
873
Datum:
9 Jan 1908 Jahr
Jetzt
~ 117 years ago
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