title: Cross reactivity in skin testing with histoplasmin.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D001230:Aspergillus / Q000276:immunology; D003045:Coccidioides / Q000276:immunology; D003429:Cross Reactions; D006168:Guinea Pigs; D006658:Histoplasma / Q000276:immunology; D006659:Histoplasmin; D006660:Histoplasmosis / Q000175:diagnosis; D009615:Nocardia / Q000276:immunology; D010407:Penicillium / Q000276:immunology; D012882:Skin Tests; D013175:Sporothrix / Q000276:immunology
chemical_list: D006659:Histoplasmin