* Carlos Franco-Paredes; Lorena Lammoglia; José Ignacio Santos-Preciado (2005). «The Spanish Royal Philanthropic Expedition to Bring Smallpox Vaccination to the New World and Asia in the 19th Century». Clinical Infectious Diseases (Oxford Journals) | * Carlos Franco-Paredes; Lorena Lammoglia; José Ignacio Santos-Preciado (2005). «The Spanish Royal Philanthropic Expedition to Bring Smallpox Vaccination to the New World and Asia in the 19th Century». Clinical Infectious Diseases (Oxford Journals) |