19
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
1912339
157734
2

jan 1, 1792 - John Peter Frank first describes esophagitis

Added to timeline:

3 months ago
0
0
22
Gerd

Date:

jan 1, 1792
Now
~ 227 years ago
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