An Estimate of the True Value of Vaccination as a Security Against Small Pox

ESTIMATE,
&c. &c.
Newcastle; Printed by T. & J. Hodgson,
Union Street
ESTIMATE
OF THE TRUE VALUE OF
VACCINATION
AS A
SECURITY AGAINST SMALL POX.
T. M. GREENHOW,
MEMBER OF THE ROYAL COLLEGE OF SURGEONS IN LONDON;
SURGEON TO THE LYING-IN HOSPITAL, TO THE CHARITY