Antiserum against smallpox.
D006801:Humans; D007116:Immunization, Passive; D012899:Smallpox / Q000628:therapy*; D012900:Smallpox Vaccine / Q000009:adverse effects; D005719:gamma-Globulins / Q000627:therapeutic use
D012900:Smallpox Vaccine; D005719:gamma-Globulins