Smallpox: remembrance of things past, or the coming plague?
Janoff
Edward N
EN
Lynfield
Ruth
R
D006801:Humans; D011634:Public Health; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000009:adverse effects / Q000276:immunology; D014611:Vaccination
D012900:Smallpox Vaccine