Histoplasmin skin test. Survey of elementary school children in Frederick County, Md.
D002648:Child; D003625:Data Collection; D006659:Histoplasmin; D006660:Histoplasmosis; D006801:Humans; D012574:Schools; D012867:Skin; D012882:Skin Tests
D006659:Histoplasmin
CHILD; HISTOPLASMOSIS