I have been so much engaged in making experiments, that I have had no time to write letters.
Smallpox vaccine
Found in 1 providers: grok
Cross Reference
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"Did you make a convert of the obstinate antivaxinist at Lello?"
Humorous"I have never been a lover of controversy; but when truth is concerned, I am not afraid to speak out."
Strange & Unusual"The path of discovery is not a smooth one; it is often beset with difficulties and discouragements."
Strange & Unusual"The discovery of vaccination is one of the most important that has ever been made."
Strange & Unusual"I have always been an advocate for public health, and I have always endeavoured to promote it."
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