Edward Jenner's cowpox vaccine :
Razzell, Peter.
Edward Jenner's cowpox vaccine : the history of a medical myth / Peter Razzell. - Firle, England : Caliban Books, 1977. - 130 p.
0904573028
Smallpox vaccine--history.
WC 588
Edward Jenner's cowpox vaccine : the history of a medical myth / Peter Razzell. - Firle, England : Caliban Books, 1977. - 130 p.
0904573028
Smallpox vaccine--history.
WC 588