Alexander Fleming — "Many difficulties were encountered in the early attempts to isolate and purify p…"
Many difficulties were encountered in the early attempts to isolate and purify penicillin.
Many difficulties were encountered in the early attempts to isolate and purify penicillin.
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"I am sometimes asked what I think of the future of penicillin. I think it has a great future, but it must be used wisely."
"I am just a simple bacteriologist who got lucky."
"I have always been interested in the effect of one microbe on another."
"I had no idea that I had stumbled on to a subject that would prove to be of such immense importance."
"The mold was a lucky accident, but the observation was not."
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