[Results of revaccination against natural smallpox].
D000328:Adult; D000367:Age Factors; D006801:Humans; D007110:Immunity, Active; D007115:Immunization Schedule; D008875:Middle Aged; D012424:Rural Population; D012882:Skin Tests; D012899:Smallpox / Q000276:immunology*; D012900:Smallpox Vaccine; D014586:USSR; D014505:Urban Population; D014611:Vaccination
D012900:Smallpox Vaccine
Rezul'taty revaktsinatsii protiv natural'noĭ ospy.