Vaccination: Its Origin and Efficacy, and the Necessity of Further Legislative Enactments to Extend Its Protective Powers

. 1850 Apr 3;14(7):169–173. doi: 10.1136/bmj.s1-14.7.169

Vaccination

Its Origin and Efficacy, and the Necessity of Further Legislative Enactments to Extend Its Protective Powers

PMCID: PMC2551996 PMID: 20794798