[ON AGE DIFFERENCES IN THE REACTION TO PURIFIED PPD TUBERCULIN AND OLD TUBERCULIN].
D000293:Adolescent; D002648:Child; D005612:Freeze Drying; D005853:Geriatrics; D006801:Humans; D014373:Tuberculin; D014374:Tuberculin Test
D014373:Tuberculin
ADOLESCENCE; CHILD; FREEZE DRYING; GERIATRICS; TUBERCULIN TEST