Nitrous oxide, Scientific Calendar

21-January-2020 Tuesday
#ScientificCalendar - On January 21, the man who was the first to use anesthesia was born

#ScientificCalendar - On January 21, the man who was the first to use anesthesia was born - My, Scientific Calendar, Drawing, Illustrations, Nitrous oxide, Dentist, Anesthesia

Anesthesia Nitrous oxide Illustrations Scientific Calendar Drawing Dentist

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