(1899). Vaccination and Small-Pox in the United States Army. Hospital (Lond 1886).
Chicago Style Citation"Vaccination and Small-Pox in the United States Army." Hospital (Lond 1886) 1899.
Cita MLA"Vaccination and Small-Pox in the United States Army." Hospital (Lond 1886) 1899.
Atenció: Aquestes cites poden no estar 100% correctes.