Vaccination :
Baxby, Derrick.
Vaccination : Jenner's legacy / by Derrick Baxby. - Berkeley : Jenner Educational Trust, 1994. - 36 p.
Smallpox vaccine--history.
WC 588
Vaccination : Jenner's legacy / by Derrick Baxby. - Berkeley : Jenner Educational Trust, 1994. - 36 p.
Smallpox vaccine--history.
WC 588