Author

John N. Force

3 books found

Placeholder cover for Daniel Sutton and the revival of variolation

Daniel Sutton and the revival of variolation

John N. Force · First published 1931

Placeholder cover for A method for estimating the potency of smallpox vaccine

A method for estimating the potency of smallpox vaccine

John N. Force · First published 1927

Placeholder cover for Institutional vaccination against typhoid fever

Institutional vaccination against typhoid fever

John N. Force · First published 1912