A histoplasmin skin test survey in Baltimore County, Maryland.
D002648:Child; D005260:Female; D006659:Histoplasmin; D006660:Histoplasmosis / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D008297:Male; D008396:Maryland; D012882:Skin Tests; D012988:Soil Microbiology
D006659:Histoplasmin