منابع مشابه
Smallpox Vaccination
This article was presented by the author at the Vaccination Seminar of May 26, 1972, National University Medical School.
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ژورنال
عنوان ژورنال: The Lancet
سال: 1862
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(02)59075-9