[On smallpox immunity in sailors].
D000328:Adult; D006801:Humans; D008297:Male; D009326:Naval Medicine; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine; D014586:USSR
D012900:Smallpox Vaccine
O protivoospennom immunitete u moriakov dal'nego plavaniia.