Blower S، Bernoulli D (2004). "An attempt at a new analysis of the mortality caused by smallpox and of the advantages of inoculation to prevent it. 1766". Reviews in Medical Virology. ج. 14 ع. 5: 275–88. DOI:10.1002/rmv.443. PMID:15334536. S2CID:8169180.
Blower S، Bernoulli D (2004). "An attempt at a new analysis of the mortality caused by smallpox and of the advantages of inoculation to prevent it. 1766". Reviews in Medical Virology. ج. 14 ع. 5: 275–88. DOI:10.1002/rmv.443. PMID:15334536. S2CID:8169180.
Blower S، Bernoulli D (2004). "An attempt at a new analysis of the mortality caused by smallpox and of the advantages of inoculation to prevent it. 1766". Reviews in Medical Virology. ج. 14 ع. 5: 275–88. DOI:10.1002/rmv.443. PMID:15334536. S2CID:8169180.