random facts : - In the 1930s, penicillin was so precious that it was re-extracted from the urine of patients to conserve every bit of it.
Monday, September 30, 2013
In the 1930s, penicillin was so precious that it was re-extracted from the urine of patients to conserve every bit of it.
Posted by:
moath
- 1:00 AM
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