THE INCIDENCE OF SCHICK POSITIVE REACTIONS IN AN ADOLESCENT GROUP.
D000293:Adolescent; D001699:Biometry; D002648:Child; D004165:Diphtheria; D006801:Humans; D015994:Incidence; D012882:Skin Tests; D013223:Statistics as Topic
ADOLESCENCE; CHILD; DIPHTHERIA; SKIN TESTS; STATISTICS