Alexander Fleming — "The bacteriologist must be a patient man."
The bacteriologist must be a patient man.
The bacteriologist must be a patient man.
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"The mould grew, and then I saw the clear space around it."
"Penicillin cures, but wine makes people happy."
"It is not difficult to make microbes resistant to penicillin in the laboratory by exposing them to concentrations not sufficient to kill them."
"The medical profession has a great responsibility in seeing that penicillin is used wisely."
"The mold was a lucky accident, but the observation was not."
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