Halsell, Jeffrey S. (2003-06-25). "Myopericarditis Following Smallpox Vaccination Among Vaccinia-Naive US Military Personnel". JAMA. 289 (24): 3283–3289. doi:10.1001/jama.289.24.3283. ISSN0098-7484. PMID12824210.
Halsell, Jeffrey S. (2003-06-25). "Myopericarditis Following Smallpox Vaccination Among Vaccinia-Naive US Military Personnel". JAMA. 289 (24): 3283–3289. doi:10.1001/jama.289.24.3283. ISSN0098-7484. PMID12824210.
Halsell, Jeffrey S. (2003-06-25). "Myopericarditis Following Smallpox Vaccination Among Vaccinia-Naive US Military Personnel". JAMA. 289 (24): 3283–3289. doi:10.1001/jama.289.24.3283. ISSN0098-7484. PMID12824210.