[Result mass Schick reaction in determination of immunity to diphtheria in children in Riga during 1951].
D002648:Child; D004165:Diphtheria / Q000276:immunology*; D006801:Humans; D007109:Immunity
DIPHTHERIA/immunology
Opyt proverki reaktsiei Shika sostoianiia immuniteta k difterii sredi detei g. Rigi v 1951 g.