Histoplasmin sensitivity among cattle in panama; report of 691 negative tests.
D000818:Animals; D002417:Cattle; D006659:Histoplasmin; D006660:Histoplasmosis / Q000453:epidemiology* / Q000706:statistics & numerical data*; D010176:Panama
D006659:Histoplasmin
HISTOPLASMOSIS/epidemiology and statistics