Monday, September 30, 2013

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In the 1930s, penicillin was so precious that it was re-extracted from the urine of patients to conserve every bit of it.

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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.

In the 1930s, penicillin was so precious that it was re-extracted from the urine of patients to conserve every bit of it.

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