title: Geographic distribution of "plus" and "minus" isolates of Blastomyces (Ajellomyces) dermatitidis in North America.
mesh_terms: D001758:Blastomyces / Q000302:isolation & purification* / Q000472:pathogenicity; D001759:Blastomycosis / Q000453:epidemiology*; D005298:Fertility; D005843:Geography; D006801:Humans; D009656:North America; D012723:Sex; D013172:Spores, Fungal; D013997:Time Factors