[Investigation on the level of population immunity against rubella in Lanzhou City].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000914:Antibodies, Viral / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012111:Residence Characteristics; D012409:Rubella / Q000276:immunology*
D000914:Antibodies, Viral