Prevalence of sensitivity to tuberculin and histoplasmin among high school students in Montgomery County, Maryland.
D006659:Histoplasmin; D006801:Humans; D008396:Maryland; D015995:Prevalence; D013334:Students; D014373:Tuberculin; D014374:Tuberculin Test
D014373:Tuberculin; D006659:Histoplasmin
TUBERCULIN REACTION